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

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FZUS54 KLIX 202237
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
537 PM CDT Thu Aug 20 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-GMZ501-211100-
537 PM CDT Thu Aug 20 2026

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

Surface high pressure centered over the central Gulf will maintain a
generally weak pressure gradient through much of the period. A
predominantly westerly flow will continue, with higher winds during
the early morning and late night hours. Isolated thunderstorms will
remain possible with winds and waves higher in and near this
activity, particularly during the overnight and early morning hours.

$$

GMZ529-211100-
Lake Maurepas-
537 PM CDT Thu Aug 20 2026

.TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the evening.
.SATURDAY...Northwest winds around 5 knots, becoming northeast
around 5 knots in the afternoon. Seas 1 foot or less.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
.SUNDAY...Northwest winds around 5 knots, becoming northeast in the
afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A slight chance of showers after midnight.
.MONDAY...West winds around 5 knots, becoming east in the afternoon.
Seas 1 foot or less. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A slight chance of showers after midnight.
.TUESDAY...West winds around 5 knots, becoming south 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.
.TUESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less.

Winds and seas higher in and near thunderstorms.

$$

GMZ531-211100-
Lake Pontchartrain-
537 PM CDT Thu Aug 20 2026

.TONIGHT...Southwest winds 5 to 10 knots, becoming west late. Seas
around 2 feet.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the evening.
.SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
.SUNDAY...Northwest winds around 5 knots, becoming north in the
afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 1 foot or less. A slight chance of showers after
midnight.
.MONDAY...West winds around 5 knots, becoming northeast in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
.TUESDAY...West winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...South 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.

$$

GMZ532-211100-
Mississippi Sound-
537 PM CDT Thu Aug 20 2026

.TONIGHT...Southwest winds around 10 knots, becoming west after
midnight. Waves 2 to 3 feet.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 to 2 feet. A chance of showers and thunderstorms
in the afternoon.
.FRIDAY NIGHT...Southwest winds around 10 knots, becoming west after
midnight. Waves 1 to 2 feet. A chance of showers and thunderstorms,
mainly in the evening.
.SATURDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 to 2 feet.
.SATURDAY NIGHT...Southwest winds around 10 knots, becoming west
after midnight. Waves around 2 feet.
.SUNDAY...Northwest winds 5 to 10 knots, becoming south in the
afternoon. Waves 1 foot or less, then 1 to 2 feet in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
.MONDAY...West winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
A slight chance of showers and thunderstorms.
.TUESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ533-211100-
Lake Salvador and Lake Cataouatche-
537 PM CDT Thu Aug 20 2026

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

$$

GMZ534-211100-
Lake Borgne-
537 PM CDT Thu Aug 20 2026

.TONIGHT...South winds 5 to 10 knots, becoming southwest 10 to
15 knots late this evening and early morning, then becoming west
late. Waves around 2 feet.
.FRIDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet. A
chance of showers and thunderstorms in the evening.
.SATURDAY...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 in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less.
.SUNDAY...Northwest winds 5 to 10 knots, becoming northeast in the
afternoon. Waves 1 foot or less.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Waves 1 foot or less.
.MONDAY...West winds around 5 knots. Waves 1 foot or less. A slight
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less.
A slight chance of showers and thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Waves 1 foot or less. A slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ535-211100-
Breton Sound-
537 PM CDT Thu Aug 20 2026

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

Winds and seas higher in and near thunderstorms.

$$

GMZ536-211100-
Chandeleur Sound-
537 PM CDT Thu Aug 20 2026

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

$$

GMZ541-211100-
Terrebonne Bay-
537 PM CDT Thu Aug 20 2026

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

$$

GMZ543-211100-
Barataria Bay-
537 PM CDT Thu Aug 20 2026

.TONIGHT...Southwest winds 5 to 10 knots, becoming west late. Seas
1 foot or less.
.FRIDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers. A chance of thunderstorms, mainly in the evening.
.SATURDAY...West winds 5 to 10 knots. 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...West winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms.
.MONDAY...West winds around 5 knots, becoming southwest in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms.
.TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
chance of thunderstorms. A chance of showers.
.TUESDAY NIGHT...Southwest 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.

$$

GMZ551-211100-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
537 PM CDT Thu Aug 20 2026

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 3 seconds.
.FRIDAY...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.
.FRIDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 3 seconds. A chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 1 foot at 3 seconds.
A slight chance of showers and thunderstorms.
.SUNDAY 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.
.MONDAY...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.
.MONDAY NIGHT...Southwest 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...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
3 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ553-211100-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
537 PM CDT Thu Aug 20 2026

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds. A slight chance of showers
and thunderstorms.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Northwest 1 foot at 3 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds. A slight chance of showers
and thunderstorms.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A slight chance of showers
and thunderstorms.
.TUESDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.TUESDAY NIGHT...South 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.

$$

GMZ554-211100-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
537 PM CDT Thu Aug 20 2026

.TONIGHT...Southwest winds 5 to 10 knots, becoming west late. Seas
1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds.
.FRIDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Seas around 2 feet in the morning, then 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds, becoming west 1 foot at
3 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 3 seconds. A chance of showers. A slight
chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:
Northwest 1 foot at 3 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: West 1 foot at
3 seconds. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 to 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds, becoming northwest 1 foot at 3 seconds and northeast
1 foot at 3 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 2 seconds and northeast 1 foot at
3 seconds.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...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.
.TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ557-211100-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
537 PM CDT Thu Aug 20 2026

.TONIGHT...Southwest winds 10 to 15 knots, becoming west late. Seas
around 2 feet. Wave Detail: West 2 feet at 3 seconds.
.FRIDAY...Northwest winds 10 to 15 knots, becoming southwest 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 in the morning.
.FRIDAY NIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.SATURDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds. A slight chance of showers and thunderstorms in the
morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 3 seconds.
.SUNDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds.
.SUNDAY NIGHT...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 after midnight.
.MONDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at
3 seconds. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...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.
.TUESDAY...Southwest 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 NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-211100-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
537 PM CDT Thu Aug 20 2026

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

Winds and seas higher in and near thunderstorms.

$$

GMZ572-211100-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
537 PM CDT Thu Aug 20 2026

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds and west 1 foot at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: North 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: North 1 foot at 3 seconds
and west 1 foot at 3 seconds, becoming west 1 foot at 3 seconds. A
slight chance of showers and thunderstorms after midnight.
.SATURDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 1 foot at 3 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: Northeast 1 foot at 3 seconds and west 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 1 foot at 4 seconds. A chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds and west 1 foot at 4 seconds.
A slight chance of showers. A slight chance of thunderstorms after
midnight.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds and west 1 foot at 3 seconds.
A slight chance of showers. A slight chance of thunderstorms after
midnight.
.TUESDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 3 seconds. A slight chance of showers
and thunderstorms.
.TUESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A
slight chance of showers. A slight chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-211100-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
537 PM CDT Thu Aug 20 2026

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 4 seconds and west 1 foot at 4 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds, becoming west 1 foot at 3 seconds. A chance of showers
and thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds.
A chance of showers and thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 4 seconds. Showers likely with a chance
of thunderstorms in the morning, then a chance of showers with a
slight chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 1 foot at 3 seconds and west 1 foot at 4 seconds. A
chance of showers and thunderstorms after midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 1 foot at
4 seconds. A slight chance of showers and thunderstorms in the
morning.
.SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: North 1 foot at 3 seconds and west 1 foot at 4 seconds.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of
showers. A slight chance of thunderstorms after midnight.
.TUESDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 4 seconds. A slight chance of showers
and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ577-211100-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
537 PM CDT Thu Aug 20 2026

.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 3 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.FRIDAY 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, then a chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A chance of showers with a
slight chance of thunderstorms after midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: North 1 foot at
3 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 3 seconds and southwest 1 foot at
3 seconds.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds and west 1 foot at 3 seconds.
A slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 3 seconds and southwest 1 foot at
3 seconds. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...Southwest 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 NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$