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
002
FZUS54 KLIX 020455
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1155 PM CDT Tue Jul 1 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-GMZ501-021715-
1155 PM CDT Tue Jul 1 2025

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

Offshore flow will develop on Wednesday afternoon and continue into
the early part of the weekend. Scattered to numerous showers and
thunderstorms are expected Wednesday, mainly during the overnight
and morning hours. The threat of thunderstorms will diminish, but not
end entirely beginning overnight Wednesday night.

$$

GMZ530-021715-
Lake Pontchartrain and Lake Maurepas-
1155 PM CDT Tue Jul 1 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ534-021715-
Lake Borgne-
1155 PM CDT Tue Jul 1 2025

.OVERNIGHT...West winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet. A chance of showers and thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms in the evening.
.THURSDAY...Northwest winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...North winds around 5 knots. Waves 1 foot or less.
.FRIDAY...North winds 5 to 10 knots. Waves 1 foot or less.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...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.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
after midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms after midnight.
.SUNDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-021715-
Mississippi Sound-
1155 PM CDT Tue Jul 1 2025

.OVERNIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet. A chance of showers and thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Waves around 2 feet. Showers
and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming north after
midnight. Waves around 2 feet. A slight chance of showers and
thunderstorms in the evening.
.THURSDAY...North winds 5 to 10 knots, becoming west in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Waves 1 foot or less, then around 2 feet after
midnight.
.FRIDAY...North winds 5 to 10 knots, becoming northwest in the
afternoon. Waves 1 to 2 feet in the morning, then 1 foot or less.
.FRIDAY NIGHT...West winds around 5 knots, becoming north after
midnight. Waves 1 foot or less, then around 2 feet after midnight.
.SATURDAY...Northeast winds 5 to 10 knots, becoming southeast in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
after midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.SUNDAY...Northeast winds 5 to 10 knots, becoming southeast in the
afternoon. Waves around 2 feet. A chance of showers and
thunderstorms.
.SUNDAY 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-021715-
Chandeleur Sound-Breton Sound-
1155 PM CDT Tue Jul 1 2025

.OVERNIGHT...West winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms.
.WEDNESDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Waves 2 to 3 feet in the morning, then
1 foot or less. Showers and thunderstorms likely, mainly in the
morning.
.WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming northwest
after midnight. Waves 1 foot or less. A chance of showers and
thunderstorms, mainly in the evening.
.THURSDAY...Northwest winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots, becoming north after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...North winds 5 to 10 knots. Waves 1 foot or less.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
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...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-021715-
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-
1155 PM CDT Tue Jul 1 2025

.OVERNIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
A chance of showers and thunderstorms, then showers and
thunderstorms likely late.
.WEDNESDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...Northwest winds around 10 knots. Seas around
2 feet. Wave Detail: West 2 feet at 3 seconds and southeast 1 foot
at 6 seconds. A chance of showers and thunderstorms.
.THURSDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
5 seconds. A slight chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at
7 seconds. A slight chance of showers and thunderstorms after
midnight.
.FRIDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at
9 seconds. A slight chance of showers and thunderstorms in the
morning.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 2 seconds and east 1 foot at
6 seconds. A slight chance of showers and thunderstorms after
midnight.
.SATURDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less, then around 2 feet in the afternoon.
Wave Detail: Northwest 1 foot at 2 seconds and northeast 1 foot at
6 seconds, becoming northeast 1 foot at 4 seconds. A chance of
showers and thunderstorms, mainly in the morning.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming northeast after
midnight. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 2 feet at 4 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast 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.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-021715-
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-
1155 PM CDT Tue Jul 1 2025

.OVERNIGHT...West winds around 10 knots. Seas 1 to 2 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
A slight chance of showers and thunderstorms late.
.WEDNESDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 3 seconds and southeast 1 foot at
6 seconds. A chance of showers and thunderstorms.
.THURSDAY...Northwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 1 foot at 5 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: West 1 foot at 4 seconds and south 1 foot at 6 seconds. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Northwest 1 foot at 3 seconds and south 1 foot at 6 seconds.
A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds. A slight chance of showers
and thunderstorms after midnight.
.SATURDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds and northeast 1 foot at 3 seconds. A slight chance of
showers and thunderstorms.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 3 seconds. A chance of showers and
thunderstorms after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less, then 1 to
2 feet in the afternoon. Wave Detail: East 1 foot at 3 seconds. A
chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-021715-
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-
1155 PM CDT Tue Jul 1 2025

.OVERNIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
A chance of thunderstorms. A chance of showers late this evening,
then showers likely late.
.WEDNESDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 2 feet at 6 seconds.
Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 1 foot at 6 seconds.
A chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 4 seconds and southeast 1 foot at
6 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.THURSDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and southeast 1 foot at
8 seconds. A slight chance of showers and thunderstorms after
midnight.
.FRIDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
9 seconds. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Northwest winds around 5 knots. Seas around 2 feet
in the evening, then 1 foot or less. Wave Detail: Northwest 1 foot
at 4 seconds and east 1 foot at 7 seconds, becoming northwest 1 foot
at 3 seconds and southeast 1 foot at 7 seconds. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 1 foot at 3 seconds and northeast 1 foot at
7 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 1 foot at 4 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 4 seconds. A chance of thunderstorms. Showers likely,
mainly in the morning.
.SUNDAY NIGHT...East winds around 10 knots, becoming southeast after
midnight. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms in the evening, then showers likely with a chance of
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-021715-
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-
1155 PM CDT Tue Jul 1 2025

.OVERNIGHT...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
A slight chance of showers and thunderstorms.
.WEDNESDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 6 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and southeast 2 feet at
6 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and south 1 foot at 6 seconds. A
chance of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 4 seconds and south 1 foot at 8 seconds. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.FRIDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 1 foot at 3 seconds and south 1 foot at 7 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at
7 seconds. A slight chance of showers and thunderstorms after
midnight.
.SATURDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds and east 1 foot at 6 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: East 1 foot at
4 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after midnight.
.SUNDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. A chance of thunderstorms. Showers
likely, mainly in the morning.
.SUNDAY NIGHT...Southeast 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.

Winds and seas higher in and near thunderstorms.

$$