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

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569
FZUS54 KLIX 221201
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
701 AM CDT Fri Aug 22 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-GMZ501-230100-
701 AM CDT Fri Aug 22 2025

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

Outside of showers and thunderstorms mostly favorable winds and seas
are expected through the upcoming weekend. Winds will remain mostly
onshore at or less than 10 knots. Winds and sea will increase in and
around showers and thunderstorms.

$$

GMZ530-230100-
Lake Pontchartrain and Lake Maurepas-
701 AM CDT Fri Aug 22 2025

.TODAY...North winds around 5 knots, becoming east around 5 knots
late. Waves 1 foot or less. A slight chance of showers and
thunderstorms early this morning, then a chance of showers and
thunderstorms late this morning. Showers and thunderstorms likely
this afternoon.
.TONIGHT...Northwest winds around 5 knots. Waves 1 foot or less.
Showers and thunderstorms likely, mainly in the evening.
.SATURDAY...North winds around 5 knots, becoming west in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.SUNDAY...Northwest winds around 5 knots. 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.
.SUNDAY NIGHT...Southwest winds around 5 knots, becoming northwest
after midnight. Waves 1 foot or less.
.MONDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less.
.TUESDAY...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.
.TUESDAY NIGHT...East winds around 5 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-230100-
Lake Borgne-
701 AM CDT Fri Aug 22 2025

.TODAY...North winds around 5 knots, becoming southeast around
5 knots this afternoon. Waves 1 foot or less. A chance of showers
and thunderstorms this morning, then showers and thunderstorms
likely this afternoon.
.TONIGHT...North winds around 5 knots. Waves 1 foot or less. Showers
and thunderstorms likely, mainly in the evening.
.SATURDAY...North winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.SATURDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less. A chance of showers and thunderstorms.
.SUNDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.MONDAY...North 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.
.MONDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less, then around 2 feet after midnight.
.TUESDAY...Northeast winds around 10 knots, becoming east 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.
.TUESDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-230100-
Mississippi Sound-
701 AM CDT Fri Aug 22 2025

.TODAY...North winds around 5 knots, becoming south this afternoon.
Waves 1 foot or less. A chance of showers and thunderstorms this
morning, then showers and thunderstorms likely this afternoon.
.TONIGHT...Northwest winds around 5 knots. Waves 1 foot or less.
Showers and thunderstorms likely, mainly in the evening.
.SATURDAY...North winds around 5 knots, becoming southwest in the
afternoon. Waves 1 foot or less. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.SATURDAY NIGHT...West winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.SUNDAY...Northwest winds around 5 knots, becoming southwest in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest
after midnight. Waves around 2 feet in the evening, then 1 foot or
less. A slight chance of showers and thunderstorms.
.MONDAY...North winds 5 to 10 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Southwest winds around 5 knots, becoming northwest
after midnight. Waves 1 foot or less, then around 2 feet after
midnight.
.TUESDAY...Northeast winds 5 to 10 knots, becoming southeast 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.
.TUESDAY 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.

$$

GMZ536-538-230100-
Chandeleur Sound-Breton Sound-
701 AM CDT Fri Aug 22 2025

.TODAY...Northwest winds around 5 knots, becoming southwest this
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms this morning, then showers and thunderstorms likely
this afternoon.
.TONIGHT...West winds around 5 knots. Waves 1 foot or less. A chance
of showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.
.SATURDAY...North winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 foot or less. Thunderstorms likely. Showers.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less. A chance of thunderstorms. A chance of showers in the evening,
then showers likely after midnight.
.SUNDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.MONDAY...North winds 5 to 10 knots, becoming east in the afternoon.
Waves 1 foot or less. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...South winds around 5 knots, becoming northwest after
midnight. Waves 1 foot or less, then around 2 feet after midnight. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...Northeast winds around 10 knots, becoming east in the
afternoon. Waves around 2 feet in the morning, then 1 foot or less.
A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. 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.

$$

GMZ555-557-230100-
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 Fri Aug 22 2025

.TODAY...West winds around 5 knots. Seas 1 foot or less. A chance of
showers and thunderstorms this morning, then showers and
thunderstorms likely this afternoon.
.TONIGHT...Southwest 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.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less.
Thunderstorms likely. Showers.
.SATURDAY NIGHT...West 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.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers and
thunderstorms likely, mainly in the morning.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers. A slight chance of thunderstorms in the evening,
then a chance of thunderstorms after midnight.
.MONDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds around 5 knots, becoming northwest
after midnight. Seas 1 foot or less. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms, mainly in the morning.
.TUESDAY NIGHT...East 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.

$$

GMZ550-552-230100-
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 Fri Aug 22 2025

.TODAY...West winds around 5 knots. Seas 1 foot or less. Showers
likely.
.TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.
.SATURDAY...West winds around 5 knots. Seas 1 foot or less.
Thunderstorms likely. Showers.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers and
thunderstorms likely, mainly in the morning.
.SUNDAY NIGHT...West winds around 5 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.
.MONDAY...Northwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. A 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...Northeast winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. 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.

$$

GMZ575-577-230100-
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 Fri Aug 22 2025

.TODAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
chance of thunderstorms this morning. Showers likely. Thunderstorms
likely this afternoon.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers
with thunderstorms likely in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers with a slight chance of thunderstorms in the
evening, then showers likely with a chance of thunderstorms after
midnight.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less, then around
2 feet in the afternoon. Showers with thunderstorms likely in the
morning, then showers likely with a chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers. A slight chance of thunderstorms in the evening,
then a chance of thunderstorms after midnight.
.MONDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of thunderstorms. Showers
likely, mainly in the morning.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers and thunderstorms.
.TUESDAY NIGHT...Northeast 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.

$$

GMZ570-572-230100-
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 Fri Aug 22 2025

.TODAY...West winds 5 to 10 knots. Seas 1 foot or less.
Thunderstorms likely this morning. Showers likely. A chance of
thunderstorms this afternoon.
.TONIGHT...Southwest 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.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers
with thunderstorms likely in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 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.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers
with thunderstorms likely in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A
slight chance of showers in the evening, then a chance of showers
and thunderstorms after midnight.
.MONDAY...Northwest winds around 5 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. A chance of thunderstorms. Showers
likely, mainly in the morning.
.MONDAY NIGHT...Southwest winds around 5 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.
.TUESDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...East winds around 5 knots. Seas 1 foot or less. 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.

$$