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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
352
FZUS54 KLIX 230001
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
701 PM 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-GMZ501-231300-
701 PM 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.

$$

GMZ530-231300-
Lake Pontchartrain and Lake Maurepas-
701 PM CDT Fri Aug 22 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ534-231300-
Lake Borgne-
701 PM CDT Fri Aug 22 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ532-231300-
Mississippi Sound-
701 PM CDT Fri Aug 22 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-231300-
Chandeleur Sound-Breton Sound-
701 PM CDT Fri Aug 22 2025

.TONIGHT...Northwest winds around 5 knots, becoming south around
5 knots late this evening and early morning, then becoming west
around 5 knots late. Waves 1 foot or less. A chance of showers. A
slight chance of thunderstorms early this evening. A chance of
thunderstorms after midnight.
.SATURDAY...Northwest winds around 5 knots, becoming southwest in
the afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.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, then around 2 feet after midnight. A
slight chance of showers and thunderstorms.
.MONDAY...North 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.
.MONDAY NIGHT...South winds 5 to 10 knots, becoming north after
midnight. Waves 1 foot or less, then 1 to 2 feet after midnight. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...East winds 5 to 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast 10 to
15 knots after midnight. Waves 2 to 3 feet. A slight chance of
showers and thunderstorms.
.WEDNESDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-231300-
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 Fri Aug 22 2025

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers. A chance of thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers
and thunderstorms likely, mainly in the morning.
.SATURDAY NIGHT...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.
.SUNDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. 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
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 east in the
afternoon. Seas around 2 feet in the morning, then 1 foot or less. A
chance of showers and thunderstorms, mainly in the morning.
.MONDAY NIGHT...South winds around 5 knots, becoming north after
midnight. Seas 1 foot or less. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. A slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. A slight chance of showers and
thunderstorms.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-231300-
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 Fri Aug 22 2025

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers early this evening. A slight chance of showers and
thunderstorms after midnight, then a chance of showers and
thunderstorms late.
.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. 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
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 west in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms, mainly in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers. A slight chance of 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.
.TUESDAY NIGHT...East 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...East winds around 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.WEDNESDAY 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.

$$

GMZ575-577-231300-
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 Fri Aug 22 2025

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers late this evening. A chance of showers and
thunderstorms after midnight, then showers and thunderstorms likely
late.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Showers
and thunderstorms likely, mainly in the morning.
.SATURDAY NIGHT...West 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 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 showers and thunderstorms.
.MONDAY NIGHT...South winds around 5 knots, becoming northwest after
midnight. Seas 1 foot or less. A slight chance of showers. A slight
chance of thunderstorms after midnight.
.TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
A slight chance of showers. A slight chance of thunderstorms after
midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast winds around 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.

$$

GMZ570-572-231300-
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 Fri Aug 22 2025

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

$$