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

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582
FZUS54 KLIX 060526
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1226 AM CDT Sat Sep 6 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-GMZ501-061800-
1226 AM CDT Sat Sep 6 2025

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

Generally weak easterly to southeasterly flow will continue across
marine areas today. On Sunday, a front will pass through marine
waters introducing gusty winds from the northeast near 15 knots for
all marine areas, with gusts up to 20 to 25 knots which will likely
reach Small Craft Exercise Caution criteria Sunday, with advisory
level conditions possible Sunday night into Monday. Waves/seas will
respond to around 2 to 3 feet for protected waters to 3 to 6 feet
for outer Gulf waters. Conditions improve going into the middle of
next week with progressive easterly flow, albeit still breezy at
around 10 to 15 knots which will keep waves/seas slightly elevated
at up to 2 feet for protected waters to 2 to 4 feet for outer Gulf
waters.

$$

GMZ530-061800-
Lake Pontchartrain and Lake Maurepas-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...South winds around 5 knots. Waves 1 foot or less.
.SATURDAY...Northwest winds around 5 knots. Waves 1 foot or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 foot or
less, then around 2 feet after midnight.
.SUNDAY...Northeast winds 5 to 10 knots. Waves around 2 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet.
.MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Waves 2 to 3 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves 1 to 2 feet.
.TUESDAY...East winds around 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet.
.WEDNESDAY...East winds around 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-061800-
Lake Borgne-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...South winds 5 to 10 knots, becoming southwest
late. Waves 1 foot or less.
.SATURDAY...Northwest winds around 5 knots, becoming northeast
around 5 knots in the afternoon. Waves 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots, becoming north after
midnight. Waves 1 foot or less, then around 2 feet after midnight.
.SUNDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Waves 2 to 3 feet in the morning, then
1 foot or less.
.SUNDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to
20 knots after midnight. Waves 2 to 4 feet.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Waves 2 to 4 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening.
.WEDNESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms.
.WEDNESDAY 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.

$$

GMZ532-061800-
Mississippi Sound-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...South winds around 5 knots. Waves 1 foot or less.
.SATURDAY...North winds around 5 knots, becoming southeast around
5 knots in the afternoon. Waves 1 foot or less.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming north
after midnight. Waves 1 foot or less, then 2 to 3 feet after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots, becoming north 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to
20 knots after midnight. Waves 2 to 4 feet.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 5 to
10 knots in the afternoon. Waves 2 to 4 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Waves 2 to 3 feet. A slight chance of
showers and thunderstorms in the evening.
.TUESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds around 10 knots. Waves around 2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-061800-
Chandeleur Sound-Breton Sound-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less.
.SATURDAY...Northeast winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots, becoming north after
midnight. Waves 1 foot or less, then 2 to 3 feet after midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to
20 knots after midnight. Waves 2 to 4 feet.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Waves 2 to 4 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Waves around 3 feet. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A chance
of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-061800-
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-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 4 seconds.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming north after
midnight. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds.
.SUNDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds. A
slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 5 seconds. A slight chance of
showers and thunderstorms.
.MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds.
A slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 4 seconds. A chance of showers and
thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: East 4 feet at 6 seconds. Showers likely
with a chance of thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. A
chance of showers and thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A chance of showers, mainly in the
evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-061800-
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-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 4 seconds.
.SATURDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of
showers and thunderstorms.
.SATURDAY NIGHT...East winds around 5 knots, becoming north after
midnight. Seas 1 foot or less, then 1 to 2 feet after midnight. Wave
Detail: East 1 foot at 4 seconds.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: Northeast 2 feet at 3 seconds. A slight chance of showers
and thunderstorms.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 1 to 2 feet,
building to 2 to 3 feet after midnight. Wave Detail: Northeast
2 feet at 3 seconds, becoming northeast 3 feet at 4 seconds. A
chance of showers and thunderstorms, mainly in the evening.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast
3 feet at 4 seconds. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 4 seconds. A chance of showers. A slight
chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.TUESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds. A chance of showers. A slight
chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A chance of showers, mainly in the
evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-061800-
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-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds. A slight chance of showers
and thunderstorms late.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. A chance of showers with a slight
chance of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds. A slight chance of showers. A
slight chance of thunderstorms after midnight.
.SUNDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds. A
chance of showers and thunderstorms.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 5 seconds. A chance of showers. A
slight chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds.
Showers likely with a chance of thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: East 4 feet at 5 seconds. Showers with a
chance of thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Showers likely with a chance of thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-061800-
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-
1226 AM CDT Sat Sep 6 2025

.REST OF TONIGHT...East winds around 10 knots, becoming southeast
late. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A
slight chance of showers late.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: East 1 foot at
4 seconds, becoming east 2 feet at 4 seconds. A slight chance of
thunderstorms. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds. A slight chance of showers
and thunderstorms after midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 3 feet at 5 seconds. A chance of showers. A slight chance
of thunderstorms in the evening, then a chance of thunderstorms
after midnight.
.MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds.
A chance of showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Northeast 4 feet at 6 seconds. A chance of showers. A slight chance
of thunderstorms in the evening, then a chance of thunderstorms
after midnight.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. Showers likely with a chance of
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Showers likely. A slight chance of thunderstorms in the evening,
then a chance of thunderstorms after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: East 3 feet at 6 seconds. Showers likely with a chance
of thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers. A slight chance of thunderstorms in the evening,
then a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$