Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA

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037
FZUS54 KLIX 221037
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
537 AM CDT Wed Jul 22 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-GMZ501-222300-
537 AM CDT Wed Jul 22 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.

$$

GMZ529-222300-
Lake Maurepas-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WATCH IN EFFECT...

.TODAY...North winds 10 to 15 knots, becoming northeast 15 to
20 knots this afternoon. Gusts up to 30 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers and thunderstorms
this afternoon.
.TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas
3 to 4 feet, occasionally to 5 feet. Showers likely early in the
evening. A chance of thunderstorms in the evening. A chance of
showers in the late evening and overnight.
.THURSDAY...Southeast winds 15 to 20 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. A chance of showers. A
chance of thunderstorms in the late morning and afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. A chance of showers and
thunderstorms early in the evening.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers in the morning. A slight chance of thunderstorms
late in the morning, then a chance of showers and thunderstorms in
the 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
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms early in the
evening.
.SUNDAY...West winds around 5 knots. Seas 1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ531-222300-
Lake Pontchartrain-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

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

Winds and seas higher in and near thunderstorms.

$$

GMZ532-222300-
Mississippi Sound-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

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

Winds and waves higher in and near thunderstorms.

$$

GMZ533-222300-
Lake Salvador and Lake Cataouatche-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions possible. North winds 10 to
15 knots with gusts up to 25 knots, increasing to 25 to 30 knots
with gusts up to 50 knots this afternoon. Seas 1 foot or less. A
slight chance of showers and thunderstorms late this morning. A
chance of showers and thunderstorms early this afternoon, then
showers and thunderstorms likely late.
.TONIGHT...Tropical storm conditions possible. East winds 25 to
30 knots with gusts up to 50 knots, becoming southeast 15 to
20 knots with gusts up to 25 knots after midnight. Seas 1 foot or
less. A chance of thunderstorms in the evening. Showers likely. A
slight chance of thunderstorms after midnight.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 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.
.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 and thunderstorms early in the evening.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers early in the morning, then a slight chance of
showers and thunderstorms in the late morning and afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 1 foot or less. A slight chance of showers and
thunderstorms early in the evening.
.SATURDAY...Southwest winds around 5 knots. Seas 1 foot or less.
.SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less.
.SUNDAY...West winds around 5 knots. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ534-222300-
Lake Borgne-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions possible. Northeast winds 25 to
30 knots. Gusts up to 50 knots this afternoon. Waves 4 to 6 feet. A
slight chance of showers and thunderstorms early this morning, then
a chance of showers and thunderstorms late this morning. Showers and
thunderstorms likely this afternoon.
.TONIGHT...Tropical storm conditions possible. East winds 25 to
30 knots with gusts up to 50 knots, becoming southeast 20 to
25 knots with gusts up to 30 knots after midnight. Waves 4 to
5 feet. A chance of thunderstorms in the evening. Showers likely. A
slight chance of thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots with gusts up to 30 knots. Waves 3 to 4 feet. A slight
chance of showers and thunderstorms early in the morning, then a
chance of showers and thunderstorms in the late morning and
afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 5 to
10 knots after midnight. Waves 2 to 3 feet. A chance of showers and
thunderstorms early in the evening, then a slight chance of showers
in the late evening and early morning.
.FRIDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of showers and
thunderstorms early in the evening.
.SATURDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet.
.SUNDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ535-222300-
Breton Sound-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions. North winds 35 to 40 knots,
becoming east 30 to 35 knots with gusts up to 55 knots this
afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
North 1 foot at 2 seconds. A chance of thunderstorms this morning.
Showers. Thunderstorms likely this afternoon.
.TONIGHT...Tropical storm conditions expected. South winds 25 to
30 knots with gusts up to 55 knots, diminishing to 20 to 25 knots
with gusts up to 30 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 with gusts up to 30 knots. Seas 4 to 5 feet, occasionally
to 6 feet. A slight chance of showers and thunderstorms early in the
morning, then a chance of showers and thunderstorms late in the
morning. A slight chance of showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet. A slight chance of
thunderstorms early in the evening. A slight chance of showers.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less.
.SATURDAY...West winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY...West winds 5 to 10 knots. Seas 1 to 2 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ536-222300-
Chandeleur Sound-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions expected. Northeast winds 30 to
40 knots, becoming east this afternoon. Waves 6 to 7 feet. A chance
of thunderstorms. Showers.
.TONIGHT...Tropical storm conditions possible. Southeast winds 25 to
30 knots with gusts up to 45 knots, becoming south 20 to 25 knots
with gusts up to 30 knots after midnight. Waves 5 to 6 feet. A
chance of showers.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots with gusts up to 30 knots. Waves 4 to 5 feet. A chance of
showers and thunderstorms.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Waves 2 to 3 feet. A slight chance of
thunderstorms in the evening. A slight chance of showers.
.FRIDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Waves 2 to 3 feet. A slight chance of showers early
in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Waves around 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less,
then 1 to 2 feet in the afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY...West winds 5 to 10 knots. Waves around 2 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots. Waves around 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ541-222300-
Terrebonne Bay-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...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 this afternoon. Seas 1 foot or less, then
2 to 4 feet, occasionally to 5 feet this afternoon. Wave Detail:
Northwest 1 foot at 2 seconds. A slight chance of showers and
thunderstorms this morning, then showers and thunderstorms likely
this afternoon.
.TONIGHT...Tropical storm conditions expected. South winds 25 to
30 knots. Gusts up to 50 knots in the evening. Seas 4 to 6 feet,
occasionally to 8 feet. Showers and thunderstorms early in the
evening, then showers with a chance of thunderstorms in the late
evening and overnight.
.THURSDAY...Tropical storm conditions possible. South winds 25 to
30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: South 1 foot at
2 seconds. A chance of thunderstorms. A chance of showers.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. A
chance of showers and thunderstorms 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...South winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 1 foot or less. A slight chance of showers in
the morning.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less.
.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.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ543-222300-
Barataria Bay-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions expected. Northwest winds 30 to
35 knots with gusts up to 50 knots. Seas 1 foot or less, then 2 to
4 feet, occasionally to 5 feet this afternoon. A chance of showers
and thunderstorms this morning, then showers and thunderstorms this
afternoon.
.TONIGHT...Tropical storm conditions expected. South winds 25 to
30 knots with gusts up to 55 knots, diminishing to 20 to 25 knots
with gusts up to 30 knots after midnight. Seas 2 to 4 feet,
occasionally to 5 feet. Showers with thunderstorms likely in the
evening, then a chance of showers and thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 2 to
4 feet, occasionally to 5 feet. A slight chance of showers and
thunderstorms early in the morning, then a chance of showers and
thunderstorms in the late morning and afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms 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...South winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers in the morning.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 1 foot or less.
.SATURDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, diminishing to
around 5 knots after midnight. Seas 1 foot or less.
.SUNDAY...West winds around 5 knots, becoming southwest in the
afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ551-222300-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions expected. Northwest winds 20 to
25 knots with gusts up to 30 knots, increasing to 30 to 35 knots
with gusts up to 50 knots this afternoon. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: West 4 feet at 5 seconds. A
slight chance of showers and thunderstorms early this morning. A
chance of showers and thunderstorms late this morning, then showers
and thunderstorms this afternoon.
.TONIGHT...Tropical storm conditions expected. West winds 30 to
35 knots with gusts up to 50 knots, becoming south after midnight.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southwest
7 feet at 7 seconds. Showers with thunderstorms likely in the
evening, then showers with a chance of thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 25 to
30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 5 to
7 feet, occasionally to 9 feet. Wave Detail: South 7 feet at
6 seconds. A chance of thunderstorms. A chance of showers.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.
Wave Detail: South 4 feet at 7 seconds. A slight chance of showers.
A slight chance of thunderstorms in the evening. A slight chance of
thunderstorms late.
.FRIDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. 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...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.SUNDAY...Southwest winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 1 to 2 feet in the morning, then
1 foot or less. Wave Detail: South 1 foot at 5 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southwest 2 feet at
3 seconds and southeast 1 foot at 5 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ553-222300-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions. West winds 30 to 40 knots with
gusts up to 50 knots. Seas 5 to 7 feet, occasionally to 9 feet,
building to 7 to 10 feet, occasionally to 13 feet this afternoon.
Wave Detail: West 10 feet at 7 seconds. Thunderstorms likely.
Showers.
.TONIGHT...Tropical storm conditions expected. South winds 30 to
35 knots with gusts up to 50 knots, diminishing to 25 to 30 knots
after midnight. Seas 8 to 11 feet, occasionally to 14 feet. Wave
Detail: Southwest 11 feet at 8 seconds. A chance of thunderstorms.
Showers, mainly in the evening.
.THURSDAY...Tropical storm conditions possible. South 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 8 feet at 8 seconds. A chance of
showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: South 5 feet at 7 seconds. A
slight chance of thunderstorms early in the evening. A slight chance
of showers.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: South 3 feet at 7 seconds.
.FRIDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds.
.SATURDAY...Southwest winds around 5 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: South 1 foot at
5 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: Southwest
2 feet at 3 seconds and southeast 1 foot at 5 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ554-222300-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions. West winds 40 to 45 knots,
becoming south this afternoon. Seas 7 to 10 feet, occasionally to
13 feet. Wave Detail: West 10 feet at 7 seconds and northeast 6 feet
at 8 seconds. Showers with thunderstorms likely until late
afternoon, then showers likely with a chance of thunderstorms late.
.TONIGHT...Tropical storm conditions possible. South winds 25 to
30 knots. Gusts up to 50 knots in the evening. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: South 9 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 5 to
7 feet, occasionally to 9 feet. Wave Detail: Southwest 7 feet at
8 seconds. A slight chance of showers and thunderstorms until late
afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. A
slight chance of showers in the evening.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: South 3 feet at 6 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas around 2 feet. Wave Detail: South 2 feet at
6 seconds.
.SATURDAY...Southwest winds around 5 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: Southeast 2 feet at 6 seconds and southwest 1 foot at
3 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 3 seconds and southeast 1 foot at
5 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ557-222300-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions. East winds 35 to 40 knots,
becoming southeast 30 to 40 knots this afternoon. Seas 9 to 13 feet,
occasionally to 17 feet. Wave Detail: East 13 feet at 9 seconds. A
chance of thunderstorms. Showers likely until late afternoon, then a
chance of showers late.
.TONIGHT...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 7 to 10 feet,
occasionally to 13 feet. Wave Detail: South 10 feet at 8 seconds. A
chance of showers.
.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
6 seconds. A slight chance of showers and thunderstorms early in the
morning, then a chance of showers and thunderstorms late in the
morning. A slight chance of showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds. A
slight chance of showers and thunderstorms in the evening, then a
slight chance of showers after midnight.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southwest 2 feet at 3 seconds and southeast
2 feet at 6 seconds.
.SUNDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-222300-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions possible. Northwest winds 20 to
25 knots with gusts up to 30 knots, becoming west 25 to 30 knots
with gusts up to 40 knots this 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. Showers and thunderstorms.
.TONIGHT...Tropical storm conditions expected. Southwest winds 25 to
35 knots. Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail:
West 10 feet at 7 seconds. Thunderstorms likely in the evening.
Showers. A chance of thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 25 to
30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 8 to
10 feet, occasionally to 13 feet, subsiding to 7 to 8 feet,
occasionally to 10 feet in the afternoon. Wave Detail: Southwest
10 feet at 8 seconds. A chance of showers and thunderstorms, mainly
in the morning.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet,
subsiding to 4 to 5 feet, occasionally to 6 feet after midnight.
Wave Detail: South 5 feet at 7 seconds. A slight chance of showers
until early morning.
.FRIDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Southwest 3 feet at 7 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.SUNDAY...Southwest winds around 5 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Southeast 2 feet at
5 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southwest 2 feet at
3 seconds and southeast 1 foot at 5 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ572-222300-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions expected. West winds 25 to
35 knots. Gusts up to 50 knots this afternoon. Seas 7 to 9 feet,
occasionally to 11 feet, building to 8 to 11 feet, occasionally to
14 feet this afternoon. Wave Detail: West 11 feet at 7 seconds and
northeast 2 feet at 8 seconds. Showers with thunderstorms likely.
.TONIGHT...Tropical storm conditions expected. South winds 25 to
35 knots. Gusts up to 50 knots in the evening. Seas 10 to 12 feet,
occasionally to 15 feet, subsiding to 8 to 11 feet, occasionally to
14 feet after midnight. Wave Detail: Southwest 12 feet at 8 seconds.
Showers with thunderstorms likely 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 with gusts up to 30 knots. Seas 8 to 9 feet, occasionally
to 11 feet, subsiding to 6 to 8 feet, occasionally to 10 feet in the
afternoon. Wave Detail: South 9 feet at 7 seconds. A slight chance
of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southwest 5 feet at 7 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds and
southwest 3 feet at 8 seconds.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 6 seconds and west 2 feet at
7 seconds.
.SATURDAY...Southeast winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and southwest 1 foot at
6 seconds.
.SATURDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.SUNDAY...West winds around 5 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: South 2 feet at
5 seconds.
.SUNDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 1 foot or less, then around 2 feet
after midnight. Wave Detail: Southwest 2 feet at 3 seconds and
southeast 1 foot at 5 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-222300-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions. Southwest winds 30 to 40 knots
with gusts up to 50 knots. Seas 10 to 14 feet, occasionally to
18 feet. Wave Detail: West 14 feet at 8 seconds and north 4 feet at
8 seconds. Thunderstorms likely this morning. Showers. A chance of
thunderstorms this afternoon.
.TONIGHT...Tropical storm conditions possible. South winds 25 to
30 knots with gusts up to 40 knots. Seas 11 to 13 feet, occasionally
to 17 feet, subsiding to 8 to 11 feet, occasionally to 14 feet after
midnight. Wave Detail: Southwest 13 feet at 8 seconds. A chance of
showers and thunderstorms, 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 7 to
9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet,
occasionally to 9 feet in the afternoon. Wave Detail: South 7 feet
at 7 seconds. A slight chance of showers early in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southwest 5 feet at 8 seconds
and southeast 3 feet at 5 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southwest 3 feet at 8 seconds
and southeast 2 feet at 5 seconds.
.FRIDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds and west 2 feet at 7 seconds.
.SATURDAY...Southwest winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
6 seconds and west 1 foot at 6 seconds.
.SATURDAY NIGHT...South winds around 5 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
6 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 6 seconds and west 1 foot at 3 seconds.
.SUNDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: West 2 feet
at 4 seconds and southeast 1 foot at 5 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ577-222300-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
537 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions. South winds 40 to 45 knots,
diminishing to 30 to 40 knots this afternoon. Seas 11 to 15 feet,
occasionally to 19 feet. Wave Detail: Southwest 15 feet at 8 seconds
and southeast 15 feet at 9 seconds. Showers with thunderstorms
likely this morning, then a chance of showers and thunderstorms this
afternoon.
.TONIGHT...Tropical storm conditions possible. South winds 25 to
30 knots, diminishing to 20 to 25 knots after midnight. Seas 10 to
13 feet, occasionally to 17 feet, subsiding to 9 to 11 feet,
occasionally to 14 feet after midnight. Wave Detail: Southwest
12 feet at 8 seconds. A chance of showers and thunderstorms, mainly
in the evening.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Seas 7 to 8 feet, occasionally to 10 feet, subsiding to 5 to 7 feet,
occasionally to 9 feet in the afternoon. Wave Detail: Southwest
8 feet at 8 seconds. A slight chance of showers and thunderstorms
late in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: Southwest 5 feet at
8 seconds and southeast 3 feet at 5 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: Southwest 3 feet at 8 seconds and south
2 feet at 5 seconds.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 6 seconds.
.SATURDAY...West winds around 5 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 3 feet at 4 seconds and south 1 foot at 6 seconds.

Winds and seas higher in and near thunderstorms.

$$