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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
010
FZUS54 KLIX 170656
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
156 AM CDT Fri Jul 17 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-GMZ501-171900-
156 AM CDT Fri Jul 17 2026

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

As high pressure slowly moves west, winds will begin to fluctuate
from north through west and speeds will remain around 10 knots
through the middle of next week. The number of thunderstorms will be
very limited through Saturday, but any that do develop will cause
wind direction and speed to become erratic and strong. Thunderstorm
numbers may increase into next week.

$$

GMZ529-171900-
Lake Maurepas-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds around 5 knots. Seas 1 foot or less.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
.MONDAY...Northwest winds around 5 knots. Seas 1 foot or less.
.MONDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
.TUESDAY...Northwest winds around 5 knots. Seas 1 foot or less.
.TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
slight chance of showers after midnight.

$$

GMZ531-171900-
Lake Pontchartrain-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight.
.MONDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight.
.TUESDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. A slight chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ532-171900-
Mississippi Sound-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.FRIDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves 2 to 3 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves around 2 feet.
.SATURDAY NIGHT...West winds 5 to 10 knots. Waves 2 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves around 2 feet.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming northwest after
midnight. Waves around 2 feet. A slight chance of showers and
thunderstorms in the evening.
.MONDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet. A slight chance of showers and
thunderstorms.
.TUESDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 to 2 feet. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet. A slight chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ533-171900-
Lake Salvador and Lake Cataouatche-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds around 5 knots. Seas 1 foot or less.
.FRIDAY...Northwest winds around 5 knots. Seas 1 foot or less.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.MONDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
.TUESDAY...Northwest winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ534-171900-
Lake Borgne-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds around 10 knots. Waves around 2 feet.
.FRIDAY...Northwest winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.FRIDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Waves 2 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves around 2 feet in the morning, then
1 foot or less.
.SATURDAY NIGHT...West winds 5 to 10 knots, becoming northwest 10 to
15 knots after midnight. Waves 2 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves around 2 feet in the morning, then
1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming northwest 10 to
15 knots after midnight. Waves around 2 feet.
.MONDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves around 2 feet in the morning, then
1 foot or less.
.MONDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet after midnight.
.TUESDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves around 2 feet in the morning, then 1 foot or less.
A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less, then around 2 feet after midnight. A
slight chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ535-171900-
Breton Sound-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots, becoming west after
midnight. Seas 2 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet in the morning, then
1 foot or less.
.SATURDAY NIGHT...West winds 5 to 10 knots, becoming northwest 10 to
15 knots after midnight. Seas 2 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet in the morning, then
1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming northwest after
midnight. Seas 2 to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas 2 to 3 feet in the morning, then
1 foot or less.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Seas 1 foot or less, then around 2 feet after midnight. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Seas around 2 feet in the morning, then 1 foot or less. A
slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
A chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ536-171900-
Chandeleur Sound-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.FRIDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots, becoming northwest with
gusts up to 20 knots after midnight. Waves 2 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots with gusts up to
20 knots, becoming west 5 to 10 knots in the afternoon. Waves 2 to
3 feet.
.SATURDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves 2 to 3 feet, subsiding to 1 to
2 feet in the afternoon.
.MONDAY NIGHT...Southwest winds around 10 knots, becoming west after
midnight. Waves around 2 feet. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet. A chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ541-171900-
Terrebonne Bay-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.FRIDAY...Northwest winds around 5 knots, becoming west in the
afternoon. Seas 1 foot or less.
.FRIDAY NIGHT...West winds 10 to 15 knots. Seas 1 foot or less.
.SATURDAY...Northwest winds 5 to 10 knots, becoming west 10 to
15 knots in the afternoon. Seas 1 foot or less.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 1 foot or less.
.SUNDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 1 foot or less.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 foot or less.
.MONDAY NIGHT...West winds 10 to 15 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...Northwest winds 10 to 15 knots, becoming west in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...West winds 10 to 15 knots. Seas 1 foot or less. A
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ543-171900-
Barataria Bay-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds around 5 knots. Seas 1 foot or less.
.FRIDAY...Northwest winds around 5 knots. Seas 1 foot or less.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.MONDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ551-171900-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 6 seconds.
.FRIDAY...Northwest winds around 5 knots. Seas 1 to 2 feet in the
morning, then 1 foot or less. Wave Detail: South 1 foot at
5 seconds.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.SATURDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
6 seconds.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds.
.SUNDAY...Northwest winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: Northwest 2 feet at 4 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds.
.MONDAY...Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 4 seconds.
.MONDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds. A chance of showers and
thunderstorms after midnight.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 4 seconds. A slight chance of showers
and thunderstorms.
.TUESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. A
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ553-171900-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...Southwest winds around 5 knots. Seas around
2 feet. Wave Detail: South 2 feet at 7 seconds.
.FRIDAY...Northwest winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Seas around 2 feet. Wave Detail: South
2 feet at 6 seconds and northwest 1 foot at 3 seconds.
.FRIDAY 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 3 seconds and southeast 1 foot at 6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest
3 feet at 4 seconds and southeast 1 foot at 6 seconds.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 3 feet at 4 seconds and southeast 1 foot at 6 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.SUNDAY...Northwest winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 4 feet at 5 seconds.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming northwest 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: West 3 feet
at 4 seconds. A slight chance of showers and thunderstorms after
midnight.
.MONDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North
3 feet at 4 seconds. A slight chance of showers and thunderstorms in
the morning.
.MONDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 5 seconds. A chance of showers and
thunderstorms after midnight.
.TUESDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: West
2 feet at 4 seconds. A chance of showers and thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ554-171900-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 7 seconds and west 1 foot at
3 seconds.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at
6 seconds.
.FRIDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 3 feet at 4 seconds and east 2 feet at 6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: Northwest 3 feet at
4 seconds and east 2 feet at 6 seconds.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 3 feet at 4 seconds and northeast 2 feet at 6 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.SUNDAY...Northwest winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: North 3 feet at 5 seconds. A
slight chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: West
2 feet at 4 seconds and northeast 2 feet at 6 seconds. A slight
chance of showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North
3 feet at 4 seconds. A slight chance of showers and thunderstorms in
the morning.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and northeast 1 foot at 6 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.TUESDAY NIGHT...West winds around 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ557-171900-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and south 1 foot at 7 seconds.
.FRIDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 3 seconds and south 1 foot at 7 seconds.
.FRIDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots with gusts up to
20 knots, becoming west 5 to 10 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: Northwest 2 feet at 4 seconds and southeast
1 foot at 6 seconds.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and southeast 1 foot at
6 seconds. A slight chance of showers and thunderstorms.
.SUNDAY...Northwest winds 10 to 15 knots with gusts up to 20 knots,
becoming west 5 to 10 knots in the afternoon. Seas around 2 feet.
Wave Detail: Northwest 2 feet at 4 seconds and southeast 1 foot at
7 seconds.
.SUNDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds. A slight chance of showers and
thunderstorms in the evening.
.MONDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas around 2 feet in the morning, then
1 foot or less. Wave Detail: Northwest 2 feet at 3 seconds, becoming
west 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.TUESDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Seas around 2 feet in the morning, then 1 foot or less.
Wave Detail: Northwest 2 feet at 3 seconds, becoming west 1 foot at
3 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.TUESDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-171900-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.FRIDAY...Northwest winds around 5 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: South 2 feet at 6 seconds
and southwest 1 foot at 2 seconds, becoming south 1 foot at
5 seconds.
.FRIDAY NIGHT...West winds around 5 knots, increasing to 5 to
10 knots after midnight. Seas 1 foot or less, then around 2 feet
after midnight. Wave Detail: South 1 foot at 5 seconds, becoming
west 2 feet at 3 seconds and southeast 1 foot at 6 seconds.
.SATURDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
6 seconds.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 3 feet at 4 seconds and east 1 foot at 6 seconds.
A slight chance of showers and thunderstorms after midnight.
.SUNDAY...Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 3 feet at 4 seconds and northeast 1 foot at
6 seconds. A slight chance of showers and thunderstorms in the
morning.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 3 feet at 4 seconds and east 1 foot at 6 seconds. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 3 feet at 5 seconds.
A slight chance of showers and thunderstorms.
.MONDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and northeast 1 foot at 5 seconds.
A slight chance of showers and thunderstorms after midnight.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.TUESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ572-171900-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...Southwest winds around 5 knots. Seas around
2 feet. Wave Detail: South 2 feet at 7 seconds.
.FRIDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds and northwest 1 foot at 3 seconds.
.FRIDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northwest
3 feet at 4 seconds and southeast 2 feet at 6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to
4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at
5 seconds.
.SATURDAY NIGHT...West winds 10 to 15 knots, becoming northwest
15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest 4 feet at 4 seconds and northeast
2 feet at 6 seconds. A chance of showers and thunderstorms after
midnight.
.SUNDAY...Northwest winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet.
Wave Detail: Northwest 4 feet at 6 seconds and east 2 feet at
7 seconds. A chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 3 feet at 4 seconds and northeast 2 feet at
6 seconds. A chance of showers and thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: North 4 feet at 5 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.MONDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 5 seconds and northeast 1 foot at 6 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.TUESDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest
3 feet at 4 seconds. A chance of showers and thunderstorms, mainly
in the morning.
.TUESDAY NIGHT...West winds around 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-171900-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and west 1 foot at
2 seconds.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at
6 seconds.
.FRIDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to 3 feet.
Wave Detail: West 3 feet at 4 seconds and northeast 2 feet at
6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 4 feet at 5 seconds
and east 3 feet at 7 seconds. A slight chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...Northwest winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: North
3 feet at 5 seconds. A slight chance of showers and thunderstorms in
the evening, then a chance of showers and thunderstorms after
midnight.
.SUNDAY...Northwest winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet.
Wave Detail: Northwest 5 feet at 6 seconds and east 4 feet at
8 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.SUNDAY NIGHT...West winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 2 to 3 feet.
Wave Detail: West 3 feet at 4 seconds and northeast 2 feet at
6 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: North 4 feet at 6 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.MONDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 5 seconds and northeast 1 foot at 6 seconds.
A chance of showers and thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 1 foot at 10 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ577-171900-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
156 AM CDT Fri Jul 17 2026

.REST OF TONIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and south 2 feet at 7 seconds.
.FRIDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest
2 feet at 4 seconds and southeast 2 feet at 6 seconds.
.FRIDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 3 feet at 4 seconds and south 2 feet at 6 seconds.
.SATURDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 4 feet at 5 seconds
and southeast 3 feet at 7 seconds. A slight chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northwest 3 feet at 4 seconds and east 2 feet at 7 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.SUNDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 4 feet at 4 seconds
and east 3 feet at 8 seconds. A chance of showers and thunderstorms
in the morning.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 5 seconds and east 1 foot at 8 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest
3 feet at 4 seconds and southeast 1 foot at 9 seconds. A chance of
showers and thunderstorms, mainly in the morning.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and east 1 foot at 8 seconds. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and south 1 foot at 10 seconds. A
chance of showers and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$