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

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FZUS54 KLIX 182113
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
413 PM CDT Tue Aug 18 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-GMZ501-191000-
413 PM CDT Tue Aug 18 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.

$$

GMZ529-191000-
Lake Maurepas-
413 PM CDT Tue Aug 18 2026

.TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet this
evening, then 1 foot or less.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less.
.THURSDAY...West winds around 5 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.FRIDAY...West winds around 5 knots. Seas 1 foot or less.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
.SATURDAY...West winds around 5 knots. Seas 1 foot or less. A slight
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 northeast around
5 knots in the afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ531-191000-
Lake Pontchartrain-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet.
.THURSDAY...West winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
.FRIDAY...West winds 5 to 10 knots, diminishing to around 5 knots in
the afternoon. Seas 1 foot or less.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Seas 1 to 2 feet.
.SATURDAY...West 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 around 5 knots, becoming southwest in the
afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 1 foot or less.

$$

GMZ532-191000-
Mississippi Sound-
413 PM CDT Tue Aug 18 2026

.TONIGHT...Southwest winds 10 to 15 knots, becoming west late. Waves
2 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest in the
afternoon. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to
3 feet.
.THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves 2 to 3 feet. A slight chance of
showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening.
.FRIDAY...West 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.
.FRIDAY NIGHT...West winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms in the evening.
.SATURDAY...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.
.SATURDAY NIGHT...Southwest winds around 10 knots, becoming west
after midnight. Waves around 2 feet.
.SUNDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ533-191000-
Lake Salvador and Lake Cataouatche-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet this
evening, then 1 foot or less.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less.
.THURSDAY...West winds around 5 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet
in the 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 around 2 feet in the
evening, then 1 foot or less.
.SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less. A
slight 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 northeast in the
afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ534-191000-
Lake Borgne-
413 PM CDT Tue Aug 18 2026

.TONIGHT...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots after midnight. Waves around 2 feet.
.WEDNESDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
10 to 15 knots after midnight. Waves around 2 feet.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet.
.FRIDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet.
.SATURDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less, then around 2 feet after midnight.
.SUNDAY...Northwest winds 5 to 10 knots, becoming southwest 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.

$$

GMZ535-191000-
Breton Sound-
413 PM CDT Tue Aug 18 2026

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

$$

GMZ536-191000-
Chandeleur Sound-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to
3 feet.
.THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves around
3 feet.
.FRIDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots in
the afternoon. Waves 2 to 3 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 and thunderstorms.
.SATURDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves 1 to 2 feet. 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 southwest in the
afternoon. Waves around 2 feet in the morning, then 1 foot or less.
.SUNDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ541-191000-
Terrebonne Bay-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds around 10 knots. Seas 1 foot or less.
.WEDNESDAY...West winds around 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds.
.WEDNESDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 2 seconds.
.THURSDAY NIGHT...West winds around 10 knots. Seas 1 foot or less.
.FRIDAY...West winds 5 to 10 knots, increasing to 10 to 15 knots 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.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms, mainly in the morning.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ543-191000-
Barataria Bay-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
.FRIDAY...West winds 5 to 10 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.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers and thunderstorms.
.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. A slight
chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ551-191000-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
413 PM CDT Tue Aug 18 2026

.TONIGHT...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,
becoming west 2 feet at 3 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: Southwest
1 foot at 3 seconds, becoming southwest 2 feet at 3 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Southwest 2 feet at
3 seconds, becoming west 1 foot at 4 seconds.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 4 seconds.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds.
.FRIDAY NIGHT...West winds around 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southwest 1 foot at
3 seconds.
.SATURDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 1 foot at 4 seconds.
A chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds around 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: West 1 foot at
4 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ553-191000-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
413 PM CDT Tue Aug 18 2026

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

Winds and seas higher in and near thunderstorms.

$$

GMZ554-191000-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 1 foot at 7 seconds.
.WEDNESDAY...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 and south 1 foot at 6 seconds. A slight chance of showers
and thunderstorms in the morning.
.WEDNESDAY NIGHT...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.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet
at 3 seconds.
.THURSDAY 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.
.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, 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 and
thunderstorms after midnight.
.SATURDAY...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, mainly in the morning.
.SATURDAY 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 after midnight.
.SUNDAY...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.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ557-191000-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
413 PM CDT Tue Aug 18 2026

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

Winds and seas higher in and near thunderstorms.

$$

GMZ570-191000-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
413 PM CDT Tue Aug 18 2026

.TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds
and southeast 1 foot at 6 seconds.
.WEDNESDAY...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
and southeast 1 foot at 6 seconds.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at
5 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: West 1 foot at 4 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 4 seconds,
becoming west 1 foot at 3 seconds.
.SATURDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and south 1 foot at 5 seconds. A
slight 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 2 feet at
4 seconds, becoming west 1 foot at 4 seconds. A slight chance of
showers and thunderstorms.
.SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ572-191000-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and north 1 foot at 3 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
6 seconds.
.WEDNESDAY 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 2 feet at
3 seconds and southeast 1 foot at 5 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds.
.THURSDAY NIGHT...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: West 1 foot at 3 seconds and northeast 1 foot at 3 seconds.
A slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.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
and north 1 foot at 3 seconds, becoming west 1 foot at 3 seconds. A
slight chance of showers and thunderstorms after midnight.
.SATURDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 3 seconds and northeast 1 foot at 3 seconds.
A chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds and west 1 foot at 4 seconds, becoming west 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-191000-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 5 to 10 knots, increasing to 10 to 15 knots
late. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds and
north 1 foot at 3 seconds.
.WEDNESDAY...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
4 seconds and south 1 foot at 6 seconds. A slight chance of showers
and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and north 1 foot at 3 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 4 seconds and south 1 foot at 5 seconds.
A slight chance of showers and thunderstorms in the morning.
.THURSDAY 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
slight chance of showers and thunderstorms after midnight.
.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.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and north 1 foot at 3 seconds. A
chance of showers and thunderstorms after midnight.
.SATURDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds. A chance of thunderstorms. A
chance of showers.
.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...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ577-191000-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
413 PM CDT Tue Aug 18 2026

.TONIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
West 2 feet at 4 seconds and southeast 1 foot at 8 seconds.
.WEDNESDAY...West 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 south 1 foot at 6 seconds. A slight chance of showers
and thunderstorms.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: Northwest 2 feet
at 4 seconds. A chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds. A slight chance of showers
and thunderstorms after midnight.
.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 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.FRIDAY NIGHT...West winds 10 to 15 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...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. A chance of showers and
thunderstorms, mainly in the morning.
.SATURDAY 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 after midnight.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 2 feet at 3 seconds,
becoming west 1 foot at 3 seconds. A slight chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...Southwest 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.

$$