624
FZUS54 KLIX 220138
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
837 PM CDT Tue Jul 21 2026

Pascagoula to Atchafalaya River out to 60 NM

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.

GMZ500-GMZ501-221400-
837 PM CDT Tue Jul 21 2026

.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...

The center of Tropical Storm Bertha will move west along the
Louisiana gulf coast today through Thursday. As the system moves
over our local waters, expect winds and seas to increase with
tropical storm conditions possible for most if not all the local
waters. The system will move west of the region Thursday and
conditions should improve going into the upcoming weekend.

$$

GMZ529-221400-
Lake Maurepas-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WATCH IN EFFECT...

.TONIGHT...North winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. A chance of showers and thunderstorms
this evening.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. Seas 2 to 3 feet. A slight chance of
showers and thunderstorms early in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to
15 to 20 knots with gusts up to 30 knots after midnight. Seas 2 to
4 feet, occasionally to 5 feet. A chance of thunderstorms in the
evening. A chance of showers.
.THURSDAY...East winds 15 to 20 knots, becoming southeast 5 to
10 knots in the afternoon. Gusts up to 30 knots. Seas 2 to 3 feet. A
chance of showers in the morning. A chance of thunderstorms late in
the morning, then showers and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Showers and thunderstorms likely early in the evening, then a slight
chance of thunderstorms late in the evening. A slight chance of
showers in the late evening and overnight.
.FRIDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
chance of showers. A chance of thunderstorms in the late morning and
afternoon.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A chance of showers and thunderstorms early in the evening.
.SATURDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. A chance of showers and thunderstorms early in the evening.
.SUNDAY...West winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms early in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ531-221400-
Lake Pontchartrain-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...North winds 5 to 10 knots, increasing to 10 to 15 knots
after midnight. Seas 2 to 3 feet. A chance of showers and
thunderstorms early this evening.
.WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance
of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of
showers. A chance of thunderstorms, mainly in the evening.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
30 knots. Seas 2 to 3 feet. A chance of showers. A slight chance of
thunderstorms early in the morning, then a chance of thunderstorms
in the late morning and afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms early in the evening, then a
slight chance of showers and thunderstorms in the late evening and
overnight.
.FRIDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
chance of showers. A slight chance of thunderstorms early in the
morning, then a chance of thunderstorms in the late morning and
afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
A chance of showers and thunderstorms early in the evening.
.SATURDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
A chance of showers and thunderstorms early in the evening.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms early in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ532-221400-
Mississippi Sound-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions possible. North winds 15 to
20 knots, increasing to 20 to 25 knots after midnight. Waves 3 to
4 feet. A slight chance of thunderstorms early this evening. A
slight chance of showers this evening. A chance of showers with a
slight chance of thunderstorms after midnight.
.WEDNESDAY...Tropical storm conditions expected. Northeast winds
20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. A
chance of showers. A slight chance of thunderstorms early in the
morning, then a chance of thunderstorms in the late morning and
afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. Southeast
winds 20 to 25 knots with gusts up to 35 knots. Waves 4 to 5 feet.
Showers and thunderstorms likely, mainly in the evening.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Waves 3 to
4 feet. A chance of thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers. A chance of thunderstorms, mainly in the evening.
.FRIDAY...Southwest winds 5 to 10 knots. Waves around 2 feet. A
chance of showers. A slight chance of thunderstorms early in the
morning, then a chance of thunderstorms in the late morning and
afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
A chance of showers and thunderstorms early in the evening, then a
slight chance of showers and thunderstorms in the late evening and
overnight.
.SATURDAY...West winds 5 to 10 knots, becoming southwest 10 to
15 knots in the afternoon. Waves 2 to 3 feet. A slight chance of
showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
A slight chance of showers and thunderstorms early in the evening. A
slight chance of showers and thunderstorms after midnight.
.SUNDAY...West winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Waves around 3 feet. A slight chance of showers and thunderstorms
early in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ533-221400-
Lake Salvador and Lake Cataouatche-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms early this evening, then a
slight chance of showers and thunderstorms late this evening.
.WEDNESDAY...Tropical storm conditions possible. North winds 10 to
15 knots, increasing to 20 to 25 knots with gusts up to 30 knots in
the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. A slight
chance of showers and thunderstorms late in the morning. A chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. East winds
20 to 25 knots, becoming southeast 25 to 30 knots after midnight.
Gusts up to 45 knots. Seas 3 to 5 feet, occasionally to 6 feet.
Showers likely with a chance of thunderstorms.
.THURSDAY...Tropical storm conditions possible. South winds 25 to
30 knots, diminishing to 10 to 15 knots with gusts up to 25 knots in
the afternoon. Seas 3 to 5 feet, occasionally to 6 feet, subsiding
to 2 to 3 feet in the afternoon. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Showers and thunderstorms likely
in the evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.FRIDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
chance of showers with a slight chance of thunderstorms early in the
morning, then a chance of showers and thunderstorms in the late
morning and afternoon.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A chance of showers and thunderstorms early in the evening.
.SATURDAY...Southwest winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 1 foot or less. A slight chance of
showers and thunderstorms in the morning, then a chance of showers
and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. A chance of showers and thunderstorms early in the evening.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. A slight chance of showers and
thunderstorms early in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ534-221400-
Lake Borgne-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots
with gusts up to 25 knots after midnight. Waves 2 to 4 feet. A
slight chance of showers and thunderstorms early this evening.
.WEDNESDAY...Tropical storm conditions possible. Northeast winds
20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. A
chance of showers and thunderstorms in the late morning and
afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. East winds
20 to 25 knots with gusts up to 35 knots. Waves 3 to 4 feet. Showers
and thunderstorms likely in the evening, then a chance of showers
with a slight chance of thunderstorms after midnight.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Waves 3 to 4 feet. A chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Waves around
2 feet. A chance of showers and thunderstorms early in the evening,
then a slight chance of showers and thunderstorms in the late
evening and overnight.
.FRIDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers. A slight chance of thunderstorms early in the
morning, then a chance of thunderstorms in the late morning and
afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
A chance of showers and thunderstorms early in the evening, then a
slight chance of showers and thunderstorms in the late evening and
overnight.
.SATURDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet. A slight chance of showers and thunderstorms early in the
evening.
.SUNDAY...West winds 5 to 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms early in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ535-221400-
Breton Sound-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions possible. North winds 15 to
20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Showers likely this evening. A chance of thunderstorms. A
chance of showers after midnight.
.WEDNESDAY...Tropical storm conditions expected. North winds 35 to
40 knots, becoming east in the afternoon. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of thunderstorms in the morning.
Showers likely. Thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions expected. South winds
30 to 35 knots with gusts up to 50 knots, diminishing to 20 to
25 knots with gusts up to 35 knots after midnight. Seas 5 to 6 feet,
occasionally to 8 feet. Showers and thunderstorms likely, mainly in
the evening.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 3 to
5 feet, occasionally to 6 feet. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of thunderstorms in the evening. A chance of showers. A
slight chance of thunderstorms after midnight.
.FRIDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
slight chance of thunderstorms. A chance of showers, mainly in the
morning.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...West winds 5 to 10 knots, becoming southwest 10 to
15 knots in the afternoon. Seas 2 to 3 feet. A slight chance of
showers and thunderstorms until late afternoon.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ536-221400-
Chandeleur Sound-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions expected. North winds 15 to
20 knots, increasing to 20 to 25 knots after midnight. Waves 3 to
5 feet. A chance of showers and thunderstorms.
.WEDNESDAY...Tropical storm conditions expected. Northeast winds
30 to 35 knots, becoming east 30 to 40 knots in the afternoon. Waves
5 to 7 feet. A chance of showers and thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. Southeast
winds 20 to 25 knots with gusts up to 40 knots. Waves around 5 feet.
Showers and thunderstorms likely, mainly in the evening.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Waves 4 to
5 feet. A chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Waves around 3 feet. A chance of showers. A chance of
thunderstorms, mainly in the evening.
.FRIDAY...Southwest winds 5 to 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
A chance of showers and thunderstorms early in the evening, then a
slight chance of showers and thunderstorms in the late evening and
overnight.
.SATURDAY...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Waves 2 to 3 feet. A slight chance of
showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Waves around
3 feet. A slight chance of showers and thunderstorms after midnight.
.SUNDAY...West winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms until late afternoon.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Waves 3 to 4 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ541-221400-
Terrebonne Bay-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Northwest winds 15 to 20 knots with gusts up to 25 knots.
Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds.
Showers likely with a chance of thunderstorms this evening, then a
slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
15 to 20 knots with gusts up to 25 knots, increasing to 35 to
40 knots with gusts up to 50 knots in the afternoon. Seas 1 foot or
less, then 1 to 2 feet in the afternoon. Wave Detail: Northwest
1 foot at 2 seconds. A chance of showers and thunderstorms until
late afternoon, then showers and thunderstorms likely late.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southwest
winds 35 to 40 knots with gusts up to 50 knots, becoming south 25 to
30 knots with gusts up to 40 knots after midnight. Seas 1 to 2 feet.
Wave Detail: Southwest 1 foot at 2 seconds. Showers and
thunderstorms likely early in the evening, then showers with a
chance of thunderstorms in the late evening and overnight.
.THURSDAY...Tropical storm conditions possible. Southwest winds
25 to 30 knots, diminishing to 15 to 20 knots with gusts up to
25 knots in the afternoon. Seas around 2 feet in the morning, then
1 foot or less. Wave Detail: Southwest 2 feet at 3 seconds. Showers
likely with a chance of thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots, becoming south
10 to 15 knots after midnight. Seas 1 foot or less. Wave Detail:
South 1 foot at 2 seconds. Showers likely in the evening. A chance
of thunderstorms. A chance of showers after midnight.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms until late afternoon, then a
slight chance of showers and thunderstorms late.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms until late afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 1 foot or less.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 2 seconds. A slight chance of showers
and thunderstorms until late afternoon.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ543-221400-
Barataria Bay-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Northwest winds 10 to 15 knots. Seas 1 foot or less. A
chance of showers and thunderstorms, mainly this evening.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
25 to 30 knots with gusts up to 40 knots, increasing to 35 to
40 knots with gusts up to 50 knots in the afternoon. Seas 1 foot or
less. A slight chance of showers and thunderstorms early in the
morning, then a chance of showers and thunderstorms in the late
morning and early afternoon. Showers and thunderstorms likely late.
.WEDNESDAY NIGHT...Tropical storm conditions expected. South winds
35 to 40 knots with gusts up to 50 knots, diminishing to 25 to
30 knots after midnight. Seas 1 foot or less. Thunderstorms likely
in the evening. Showers likely. A chance of thunderstorms after
midnight.
.THURSDAY...Tropical storm conditions possible. South winds 25 to
30 knots, diminishing to 15 to 20 knots in the afternoon. Seas
1 foot or less. Wave Detail: South 1 foot at 2 seconds. A chance of
thunderstorms. Showers likely until late afternoon, then a chance of
showers late.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 1 foot
or less. A chance of showers. A chance of thunderstorms, mainly in
the evening.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms until late afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms until late afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms until late afternoon.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ551-221400-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions possible. West winds 15 to
20 knots, becoming northwest 20 to 25 knots after midnight. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: West 4 feet at
5 seconds. Showers and thunderstorms likely, mainly this evening.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
20 to 25 knots with gusts up to 30 knots, increasing to 30 to
40 knots with gusts up to 50 knots in the afternoon. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: West 5 feet at
5 seconds. A chance of showers and thunderstorms until late
afternoon, then showers and thunderstorms likely late.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southwest
winds 30 to 40 knots. Gusts up to 55 knots in the evening. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: Southwest 7 feet at
6 seconds. Showers with thunderstorms likely early in the evening,
then showers likely with a chance of thunderstorms in the late
evening and overnight.
.THURSDAY...Tropical storm conditions possible. Southwest winds
25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas
4 to 6 feet, occasionally to 8 feet. Wave Detail: Southwest 6 feet
at 7 seconds. A chance of thunderstorms. Showers likely until late
afternoon, then a chance of showers late.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots, becoming south
10 to 15 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Southwest 4 feet at 5 seconds. A chance of
showers.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of showers and
thunderstorms until late afternoon, then a slight chance of showers
and thunderstorms late.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. A slight chance of showers
and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: South
2 feet at 5 seconds.
.SUNDAY...Southwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail: South
2 feet at 5 seconds. A slight chance of showers and thunderstorms in
the morning.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ553-221400-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions possible. Northwest winds 15 to
20 knots, increasing to 20 to 25 knots after midnight. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: West 6 feet at
6 seconds and east 2 feet at 7 seconds. Showers and thunderstorms
likely, mainly this evening.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
30 to 35 knots with gusts up to 45 knots, becoming west 35 to
45 knots with gusts up to 55 knots in the afternoon. Seas 4 to
6 feet, occasionally to 8 feet, building to 7 to 10 feet,
occasionally to 13 feet in the afternoon. Wave Detail: West 10 feet
at 6 seconds. A chance of thunderstorms in the morning. Showers.
Thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southwest
winds 35 to 45 knots with gusts up to 55 knots, diminishing to 25 to
30 knots after midnight. Seas 9 to 12 feet, occasionally to 15 feet,
subsiding to 7 to 10 feet, occasionally to 13 feet after midnight.
Wave Detail: Southwest 12 feet at 8 seconds. Thunderstorms likely in
the evening. Showers. A chance of thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. Southwest winds
20 to 25 knots with gusts up to 30 knots. Seas 6 to 9 feet,
occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to
9 feet in the afternoon. Wave Detail: Southwest 9 feet at 8 seconds.
A chance of thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 6 seconds. A chance of showers. A chance of
thunderstorms early in the evening, then a slight chance of
thunderstorms in the late evening and overnight.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 3 feet at 6 seconds. A chance of showers with a
slight chance of thunderstorms early in the morning, then a slight
chance of showers and thunderstorms in the late morning and early
afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds. A slight chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ554-221400-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions expected. Northwest winds 15 to
20 knots with gusts up to 25 knots, increasing to 30 to 35 knots
with gusts up to 45 knots after midnight. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: West 6 feet at 6 seconds and
northeast 6 feet at 7 seconds. Showers with thunderstorms likely.
.WEDNESDAY...Tropical storm conditions expected. West winds 40 to
45 knots, becoming south in the afternoon. Seas 7 to 10 feet,
occasionally to 13 feet. Wave Detail: Southwest 10 feet at
7 seconds. Showers and thunderstorms.
.WEDNESDAY NIGHT...Tropical storm conditions expected. South winds
30 to 35 knots with gusts up to 45 knots, diminishing to 20 to
25 knots with gusts up to 35 knots after midnight. Seas 7 to
10 feet, occasionally to 13 feet, subsiding to 5 to 8 feet,
occasionally to 10 feet after midnight. Wave Detail: South 10 feet
at 8 seconds. Thunderstorms likely in the evening. Showers likely. A
chance of thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: South 7 feet at
8 seconds. A chance of showers and thunderstorms until late
afternoon, then a slight chance of showers and thunderstorms late.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 6 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet
at 5 seconds. A slight chance of showers late in the evening.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 5 seconds.
.SUNDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ557-221400-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions expected. North winds 20 to
25 knots with gusts up to 30 knots, increasing to 30 to 40 knots
with gusts up to 50 knots after midnight. Seas 4 to 6 feet,
occasionally to 8 feet, building to 6 to 9 feet, occasionally to
11 feet after midnight. Wave Detail: Northeast 9 feet at 8 seconds.
A chance of showers and thunderstorms.
.WEDNESDAY...Tropical storm conditions expected. East winds 35 to
40 knots, becoming southeast 30 to 40 knots in the afternoon. Gusts
up to 55 knots. Seas 8 to 11 feet, occasionally to 14 feet. Wave
Detail: East 11 feet at 8 seconds. A chance of thunderstorms in the
morning. Showers likely. Thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. South winds
25 to 30 knots with gusts up to 40 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: South 9 feet at 8 seconds.
Showers likely in the evening. A chance of thunderstorms. A chance
of showers after midnight.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: South 7 feet
at 7 seconds. A chance of showers and thunderstorms until late
afternoon, then a slight chance of showers and thunderstorms late.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
South 4 feet at 6 seconds. A chance of showers. A slight chance of
thunderstorms until early morning, then a chance of thunderstorms
late.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 4 seconds. A chance of showers in the
morning. A chance of thunderstorms. A slight chance of showers in
the afternoon.
.FRIDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. A slight chance of showers
and thunderstorms.
.SATURDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 5 seconds. A slight chance of showers
and thunderstorms after midnight.
.SUNDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
Southwest 2 feet at 5 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.SUNDAY NIGHT...West winds around 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-221400-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions possible. West winds 20 to
25 knots with gusts up to 30 knots. Seas 5 to 8 feet, occasionally
to 10 feet. Wave Detail: West 7 feet at 6 seconds and east 2 feet at
7 seconds. A chance of thunderstorms. Showers.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
20 to 25 knots, becoming west 25 to 30 knots in the afternoon. Seas
6 to 9 feet, occasionally to 11 feet. Wave Detail: West 9 feet at
7 seconds and east 2 feet at 8 seconds. Thunderstorms likely.
Showers.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southwest
winds 25 to 35 knots with gusts up to 45 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: West 9 feet at 7 seconds.
Thunderstorms likely in the evening. Showers. A chance of
thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. Southwest winds
25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas
7 to 9 feet, occasionally to 11 feet, subsiding to 6 to 7 feet,
occasionally to 9 feet in the afternoon. Wave Detail: Southwest
9 feet at 7 seconds. A chance of thunderstorms. Showers likely,
mainly in the morning.
.THURSDAY NIGHT...Southwest winds 15 to 20 knots, becoming south
10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: Southwest 5 feet at 7 seconds. A chance of
showers and thunderstorms early in the evening, then a slight chance
of showers and thunderstorms in the late evening and overnight.
.FRIDAY...Southwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southwest 3 feet at 6 seconds.
A slight chance of thunderstorms. A chance of showers until late
afternoon, then a slight chance of showers late.
.FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 6 seconds. A slight chance of
showers and thunderstorms in the evening.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.SUNDAY...Southwest winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ572-221400-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions possible. West winds 20 to
25 knots with gusts up to 30 knots. Seas 6 to 7 feet, occasionally
to 9 feet, building to 7 to 9 feet, occasionally to 11 feet after
midnight. Wave Detail: West 8 feet at 7 seconds and northeast 3 feet
at 8 seconds. Thunderstorms likely. Showers.
.WEDNESDAY...Tropical storm conditions expected. West winds 25 to
35 knots. Seas 7 to 9 feet, occasionally to 11 feet, building to
9 to 12 feet, occasionally to 15 feet in the afternoon. Wave Detail:
West 11 feet at 7 seconds and northeast 2 feet at 7 seconds. Showers
with thunderstorms likely.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southwest
winds 25 to 35 knots. Gusts up to 50 knots in the evening. Seas 9 to
12 feet, occasionally to 15 feet, subsiding to 8 to 10 feet,
occasionally to 13 feet after midnight. Wave Detail: Southwest
11 feet at 7 seconds. Thunderstorms likely in the evening. Showers.
A chance of thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. Southwest winds
20 to 25 knots with gusts up to 30 knots. Seas 7 to 9 feet,
occasionally to 11 feet, subsiding to 6 to 7 feet, occasionally to
9 feet in the afternoon. Wave Detail: Southwest 9 feet at 7 seconds.
A chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 7 seconds. A slight chance of thunderstorms. A
chance of showers until early morning, then a slight chance of
showers late.
.FRIDAY...Southwest winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southwest 3 feet at 6 seconds.
A slight chance of showers and thunderstorms until late afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds and southeast 2 feet at
6 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-221400-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions expected. West winds 20 to
25 knots with gusts up to 35 knots, increasing to 25 to 35 knots
with gusts up to 45 knots after midnight. Seas 7 to 8 feet,
occasionally to 10 feet, building to 8 to 11 feet, occasionally to
14 feet after midnight. Wave Detail: West 9 feet at 7 seconds and
northeast 5 feet at 8 seconds. Showers, thunderstorms.
.WEDNESDAY...Tropical storm conditions expected. Southwest winds
25 to 35 knots with gusts up to 50 knots. Seas 10 to 13 feet,
occasionally to 17 feet. Wave Detail: Southwest 12 feet at 8 seconds
and west 10 feet at 7 seconds. Thunderstorms likely. Showers.
.WEDNESDAY NIGHT...Tropical storm conditions possible. Southwest
winds 25 to 30 knots. Gusts up to 45 knots in the evening. Seas
10 to 12 feet, occasionally to 15 feet, subsiding to 9 to 10 feet,
occasionally to 13 feet after midnight. Wave Detail: Southwest
12 feet at 8 seconds. Showers likely with a chance of thunderstorms
in the evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 7 to
9 feet, occasionally to 11 feet, subsiding to 6 to 7 feet,
occasionally to 9 feet in the afternoon. Wave Detail: Southwest
8 feet at 7 seconds. A chance of showers. A chance of thunderstorms,
mainly in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 7 seconds. A slight chance of thunderstorms
early in the evening. A chance of showers until early morning. A
slight chance of showers late.
.FRIDAY...Southwest winds around 10 knots. Seas around 3 feet. Wave
Detail: Southwest 3 feet at 6 seconds. A slight chance of showers
and thunderstorms in the morning.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 2 feet at 7 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet
at 5 seconds.
.SUNDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ577-221400-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
837 PM CDT Tue Jul 21 2026

...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Tropical storm conditions. Northwest winds 30 to
40 knots, becoming west 40 to 45 knots with gusts up to 55 knots
after midnight. Seas 7 to 10 feet, occasionally to 13 feet, building
to 10 to 14 feet, occasionally to 18 feet after midnight. Wave
Detail: West 11 feet at 7 seconds and northeast 7 feet at 8 seconds.
Showers.
.WEDNESDAY...Tropical storm conditions expected. South winds 40 to
45 knots, diminishing to 30 to 40 knots in the afternoon. Seas 11 to
15 feet, occasionally to 19 feet. Wave Detail: South 15 feet at
9 seconds and west 10 feet at 6 seconds. Showers with thunderstorms
likely until late afternoon, then showers likely with a chance of
thunderstorms late.
.WEDNESDAY NIGHT...Tropical storm conditions possible. South winds
25 to 30 knots with gusts up to 40 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 10 to
12 feet, occasionally to 15 feet, subsiding to 8 to 10 feet,
occasionally to 13 feet after midnight. Wave Detail: South 12 feet
at 9 seconds. Showers likely with a chance of thunderstorms.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 7 to
9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet,
occasionally to 9 feet in the afternoon. Wave Detail: South 9 feet
at 8 seconds. A chance of showers. A chance of thunderstorms until
late afternoon, then a slight chance of thunderstorms late.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southwest 5 feet at 7 seconds.
A slight chance of thunderstorms. A chance of showers early in the
evening, then a slight chance of showers in the late evening and
overnight.
.FRIDAY...Southwest winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds.
.SATURDAY...Southwest winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 2 feet at 4 seconds and south 2 feet at
7 seconds. A slight chance of showers and thunderstorms late.
.SUNDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
Southwest 2 feet at 5 seconds. A slight chance of showers and
thunderstorms until late afternoon.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet. A slight chance of showers and thunderstorms
after midnight.

Winds and seas higher in and near thunderstorms.

$$