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

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FZUS54 KLIX 100001
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
701 PM CDT Sat Aug 9 2025

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-GMZ501-101300-
701 PM CDT Sat Aug 9 2025

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

Light to moderate winds and seas are expected to continue through
the forecast period. The only concern will be convection
developing during the late night and morning hours. This will
likely produce brief heavy rainfall, gusty winds, and locally
higher seas. Waterspouts also cannot be ruled out.

$$

GMZ530-101300-
Lake Pontchartrain and Lake Maurepas-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds 5 to 10 knots, becoming northeast late. Waves
1 to 2 feet. A slight chance of showers and thunderstorms late.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves around 2 feet. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms, mainly in the evening.
.MONDAY...East winds around 5 knots. Waves 1 foot or less. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.MONDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms.
.TUESDAY...Southeast winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.TUESDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.WEDNESDAY...South winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.
.THURSDAY...Southwest winds around 5 knots, becoming south around
5 knots in the afternoon. Waves 1 foot or less. A slight chance of
showers and thunderstorms in the morning, then a chance of showers
and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-101300-
Lake Borgne-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds around 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms until early morning, then a
chance of showers and thunderstorms late.
.SUNDAY...East winds around 10 knots. Waves around 2 feet.
Thunderstorms likely. Showers likely.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A chance of showers and
thunderstorms.
.MONDAY...East winds 5 to 10 knots. Waves 1 foot or less. Showers
and thunderstorms likely.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.TUESDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
A slight chance of showers and thunderstorms.
.THURSDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-101300-
Mississippi Sound-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds around 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms this evening, then a chance of
showers and thunderstorms after midnight.
.SUNDAY...Northeast winds around 10 knots, becoming east in the
afternoon. Waves around 2 feet. Showers and thunderstorms likely.
.SUNDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in the
evening, then 1 foot or less. A chance of showers and thunderstorms.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. Showers and thunderstorms likely.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A chance of showers and
thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.WEDNESDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
A slight chance of showers and thunderstorms.
.THURSDAY...West winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-101300-
Chandeleur Sound-Breton Sound-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A chance of
thunderstorms. A chance of showers until early morning, then showers
likely late.
.SUNDAY...East winds around 10 knots. Waves 2 to 3 feet. Showers and
thunderstorms likely.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.MONDAY...East winds 5 to 10 knots. Waves 1 foot or less. Showers
and thunderstorms likely, mainly in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening, then
showers and thunderstorms likely after midnight.
.TUESDAY...Southeast winds 5 to 10 knots. Waves 1 foot or less.
Showers and thunderstorms likely, mainly in the morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of thunderstorms. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.THURSDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-101300-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots
late. Seas 2 to 3 feet. A chance of thunderstorms. A chance of
showers until early morning, then showers likely late.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Showers and
thunderstorms likely.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Showers and thunderstorms likely, mainly in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas 1 foot or less. Showers
and thunderstorms likely, mainly in the morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds 5 to 10 knots. Seas 1 foot or less. Showers
and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...South winds 5 to 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.
.THURSDAY...South winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms.
.THURSDAY 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.

$$

GMZ550-552-101300-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River to
Port Fourchon Louisiana out 20 NM-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots
late. Seas 1 to 2 feet. A chance of thunderstorms. A chance of
showers until early morning, then showers likely late.
.SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less.
Thunderstorms likely. Showers likely, mainly in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
A chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.MONDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Showers with thunderstorms likely in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening, then
showers likely with a chance of thunderstorms after midnight.
.TUESDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Showers with thunderstorms likely in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds around 5 knots. Seas 1 foot or less.
Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.THURSDAY...South winds around 5 knots. Seas 1 to 2 feet in the
morning, then 1 foot or less. Showers and thunderstorms likely,
mainly in the morning.
.THURSDAY 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.

$$

GMZ575-577-101300-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots
late. Seas 2 to 3 feet. Showers likely with a chance of
thunderstorms.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Showers
likely with a chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
A chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Thunderstorms likely. Showers.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas 1 foot or less. Showers
with thunderstorms likely in the morning, then a chance of showers
and thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.WEDNESDAY...South winds around 5 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Showers and thunderstorms likely,
mainly in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms after midnight.
.THURSDAY...South winds around 5 knots. Seas 1 foot or less. A
chance of thunderstorms. Showers likely, mainly in the morning.
.THURSDAY 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.

$$

GMZ570-572-101300-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
701 PM CDT Sat Aug 9 2025

.TONIGHT...East winds 10 to 15 knots, becoming southeast 5 to
10 knots late. Seas around 2 feet. A chance of thunderstorms.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Showers and thunderstorms likely.
.SUNDAY NIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 1 foot or less. A chance of thunderstorms. A chance
of showers in the evening, then showers likely after midnight.
.MONDAY...Southwest winds around 5 knots, becoming southeast in the
afternoon. Seas 1 foot or less. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening, then
showers likely with a chance of thunderstorms after midnight.
.TUESDAY...South winds around 5 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...South winds 5 to 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.
.WEDNESDAY...South winds around 5 knots. Seas around 2 feet. Showers
and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms after midnight.
.THURSDAY...South winds around 5 knots. Seas around 2 feet. A chance
of thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...South winds around 5 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$