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

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Coastal Waters Forecast
National Weather Service New Orleans LA
437 AM CST Fri Mar 6 2026

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-GMZ501-062300-
437 AM CST Fri Mar 6 2026

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

Onshore southeasterly flow will persist today through the rest of
the week and weekend averaging generally 8-12kts with gusts 12-15kts
at times. Conditions will remain favorable for areas of coastal fog
for nearshore waters each morning, mainly from 10PM-10AM. A dense
fog advisory is in effect for the MS Sound for the morning hours
Friday. Otherwise, daily isolated to scattered shower/storm chances
will persist each day closer to nearshore areas, with rain chances
increasing more as we get into the weekend. Onshore southeasterly
flow is expected to persist through atleast the middle of next week.

$$

GMZ530-062300-
Lake Pontchartrain and Lake Maurepas-
437 AM CST Fri Mar 6 2026

.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots
late. Waves 2 to 3 feet. A chance of showers and thunderstorms this
afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
.SATURDAY...Southeast winds around 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A chance of showers and
thunderstorms, mainly in the evening.
.SUNDAY...South winds around 5 knots. Waves 1 foot or less. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.MONDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-062300-
Lake Borgne-
437 AM CST Fri Mar 6 2026

.TODAY...Southeast winds 5 to 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms this afternoon.
.TONIGHT...Southeast winds around 10 knots. Waves around 2 feet.
.SATURDAY...Southeast winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.SUNDAY...South winds around 5 knots. Waves 1 foot or less. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.MONDAY...South winds 5 to 10 knots. Waves 1 foot or less. A chance
of showers with a slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves around
2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-062300-
Mississippi Sound-
437 AM CST Fri Mar 6 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...

.TODAY...Southeast winds 10 to 15 knots. Waves 2 to 3 feet. Patchy
dense fog early this morning. A slight chance of showers and
thunderstorms this morning. A chance of showers and thunderstorms
early this afternoon, then a slight chance of showers and
thunderstorms late. Visibility 1 NM or less early this morning.
.TONIGHT...Southeast winds around 10 knots. Waves around 2 feet.
.SATURDAY...Southeast winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.SUNDAY...South winds 5 to 10 knots. Waves 1 foot or less. A chance
of thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the evening.
.MONDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A chance of showers with a slight
chance of thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Waves 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ538-062300-
Breton Sound-
437 AM CST Fri Mar 6 2026

.TODAY...Southeast winds around 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms this afternoon.
.TONIGHT...Southeast winds around 10 knots. Waves around 2 feet.
.SATURDAY...Southeast winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.SUNDAY...South 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 in the evening.
.MONDAY...South winds 5 to 10 knots. Waves 1 foot or less. A slight
chance of showers in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Waves around
2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-062300-
Chandeleur Sound-
437 AM CST Fri Mar 6 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...

.TODAY...Southeast winds 10 to 15 knots. Waves around 2 feet. Patchy
dense fog early this morning. A slight chance of showers and
thunderstorms this afternoon. Visibility 1 NM or less early this
morning.
.TONIGHT...Southeast winds around 10 knots. Waves around 2 feet.
.SATURDAY...Southeast winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.SUNDAY...South winds around 5 knots. Waves 1 foot or less. A chance
of showers with a slight chance of 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
chance of showers and thunderstorms in the evening.
.MONDAY...South winds 5 to 10 knots. Waves 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Waves 1 foot or
less.
.TUESDAY...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ557-062300-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
437 AM CST Fri Mar 6 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CST THIS MORNING...

.TODAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A slight chance of showers
and thunderstorms early this morning. A slight chance of showers and
thunderstorms early this afternoon.
.TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.SATURDAY...Southeast winds around 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds.
A slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers with
a slight chance of thunderstorms in the evening.
.SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 7 seconds. 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. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A slight chance of showers
and thunderstorms in the evening.
.MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 7 seconds. A slight chance of showers in the
afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ555-062300-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
437 AM CST Fri Mar 6 2026

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds.
A slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds.
A slight chance of thunderstorms. A chance of showers, mainly in the
evening.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds.
A chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 8 seconds.
A slight chance of showers and thunderstorms in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 8 seconds
and southwest 1 foot at 5 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-062300-
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-
437 AM CST Fri Mar 6 2026

.TODAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. Patchy dense fog early this
morning with visibility 1 NM or less.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds.
A slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds. A slight chance of showers
and thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 7 seconds and south 1 foot at
4 seconds. A slight chance of showers and thunderstorms in the
evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and south 2 feet at 4 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-062300-
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-
437 AM CST Fri Mar 6 2026

.TODAY...Southeast winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots.
Seas around 4 feet, occasionally to 5 feet. Wave Detail: Southeast
4 feet at 7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 4 feet at 8 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at 8 seconds
and southwest 1 foot at 5 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds
and southwest 1 foot at 5 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds. A
slight chance of showers and thunderstorms in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds
and southwest 1 foot at 5 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-062300-
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-
437 AM CST Fri Mar 6 2026

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast
4 feet at 7 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas around 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.
A slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at
8 seconds. A slight chance of thunderstorms. A chance of showers,
mainly in the evening.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds.
A slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 4 feet at 6 seconds. A
slight chance of showers and thunderstorms in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 3 feet. Wave Detail: South
3 feet at 6 seconds.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds.

Winds and seas higher in and near thunderstorms.

$$