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

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399
FZUS54 KLIX 031201
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
701 AM CDT Wed Sep 3 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-GMZ501-040100-
701 AM CDT Wed Sep 3 2025

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

A frontal boundary will remain stalled over the northern Gulf today
with a reinforcing front entering the area overnight. An even drier
surface high will then settle in for Thursday and Friday with very
low rain chances. This high will begin to move to the east on
Saturday allowing for a light southerly flow to develop. Offshore
shower and thunderstorm activity will also increase as moisture
feeds back into the area over the weekend.

$$

GMZ530-040100-
Lake Pontchartrain and Lake Maurepas-
701 AM CDT Wed Sep 3 2025

.TODAY...Northeast winds around 5 knots, becoming southeast this
afternoon. Waves 1 foot or less.
.TONIGHT...Southeast winds around 5 knots, becoming southwest around
5 knots after midnight. Waves 1 foot or less.
.THURSDAY...Northwest winds around 5 knots, becoming southeast in
the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Waves 1 foot or less.
.FRIDAY...South winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Waves 1 foot or less.
.SATURDAY...East winds around 5 knots. Waves 1 foot or less.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming southwest
after midnight. Waves 1 foot or less.
.SUNDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-040100-
Lake Borgne-
701 AM CDT Wed Sep 3 2025

.TODAY...Northeast winds 5 to 10 knots, becoming east this
afternoon. Waves 1 foot or less.
.TONIGHT...Southeast winds around 5 knots, becoming southwest after
midnight. Waves 1 foot or less.
.THURSDAY...Northwest winds around 5 knots, becoming southeast in
the afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Waves 1 foot or less.
.FRIDAY...North winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...East winds around 5 knots. Waves 1 foot or less.
.SATURDAY NIGHT...South winds around 5 knots, becoming southwest
after midnight. Waves 1 foot or less.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming northeast 10 to
15 knots after midnight. Waves 1 foot or less, then around 2 feet
after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-040100-
Mississippi Sound-
701 AM CDT Wed Sep 3 2025

.TODAY...Northeast winds 5 to 10 knots, becoming southeast this
afternoon. Waves 1 foot or less.
.TONIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.THURSDAY...North winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.FRIDAY...Northeast winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Waves 1 foot or less.
.SATURDAY NIGHT...South winds around 5 knots, becoming east after
midnight. Waves 1 foot or less.
.SUNDAY...Northeast winds 5 to 10 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots, becoming northeast 10 to
15 knots after midnight. Waves 1 foot or less, then around 2 feet
after midnight.

$$

GMZ536-538-040100-
Chandeleur Sound-Breton Sound-
701 AM CDT Wed Sep 3 2025

.TODAY...Northeast winds 5 to 10 knots, becoming east late. Waves
1 foot or less.
.TONIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
.THURSDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.FRIDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...East winds around 5 knots. Waves 1 foot or less.
.SATURDAY NIGHT...South winds around 5 knots, becoming southwest
after midnight. Waves 1 foot or less.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. Waves 1 foot or less, then around
2 feet after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-040100-
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 AM CDT Wed Sep 3 2025

.TODAY...East winds 5 to 10 knots. Seas around 2 feet.
.TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY...Northeast winds around 5 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less.
.FRIDAY...East winds around 5 knots. Seas 1 foot or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...East winds around 5 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. A slight chance of showers. A
slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-040100-
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 AM CDT Wed Sep 3 2025

.TODAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.TONIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet in the
evening, then 1 foot or less.
.THURSDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Seas 1 foot or less.
.THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less.
.FRIDAY...East winds around 5 knots. Seas 1 foot or less.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Southeast winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. A slight chance of showers. A slight chance of thunderstorms
after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less, then 1 to
2 feet in the afternoon. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. A slight
chance of thunderstorms. A slight chance of showers in the evening,
then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-040100-
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 AM CDT Wed Sep 3 2025

.TODAY...Northeast winds around 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms this
morning.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet in the
evening, then 1 foot or less. A slight chance of showers after
midnight.
.THURSDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers after midnight.
.FRIDAY...East winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
A slight chance of showers.
.SATURDAY...East winds around 5 knots. Seas 1 foot or less. A slight
chance of thunderstorms. A slight chance of showers in the morning,
then a chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. A slight chance of showers. A slight chance of thunderstorms
after midnight.
.SUNDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. A chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-040100-
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 AM CDT Wed Sep 3 2025

.TODAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms this
morning, then a slight chance of showers and thunderstorms early
this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.THURSDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
.FRIDAY...East winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less.
A slight chance of showers.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of thunderstorms. A slight chance of showers in the
morning, then a chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers in the evening, then a chance of
showers with a slight chance of thunderstorms after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. A chance of
showers and thunderstorms.
.SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet. A
chance of showers. A slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$