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

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Coastal Waters Forecast
National Weather Service New Orleans LA
507 AM CST Tue Jan 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-GMZ501-070000-
507 AM CST Tue Jan 6 2026

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

Light onshore winds of around 10 knots and seas of 2 feet or less
will be in place through Wednesday night. Conditions also look
favorable for fog to develop in the nearshore waters, sounds, and
lakes each night through at least Wednesday night. On Thursday, an
approaching low pressure system will help to increase winds to 10 to
15 knots. By Friday, these onshore winds should increase further to
15 to 20 knots as the low strengthens. Seas will respond by
increasing to 3 to 5 feet in the open Gulf waters. The low will push
a cold front through the waters on Saturday, and winds will shift to
the northwest. These winds will increase to small craft advisory
range by Saturday night as a cold and dry airmass moves in.

$$

GMZ530-070000-
Lake Pontchartrain and Lake Maurepas-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots. Waves around 2 feet. Patchy
fog early this morning with visibility 1 NM or less.
.TONIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet. Areas
of fog after midnight with visibility 1 NM or less.
.WEDNESDAY...Southwest winds around 5 knots. Waves 1 foot or less.
Patchy fog in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet after midnight. Patchy fog after midnight.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Waves 2 to 4 feet. A slight chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Waves 2 to 3 feet. A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming west 15 to
20 knots after midnight. Waves 2 to 4 feet. A slight chance of
thunderstorms. Showers likely, mainly in the evening.
.SATURDAY...Northwest winds 15 to 20 knots, becoming north 10 to
15 knots in the afternoon. Waves 2 to 4 feet. A chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots. Waves 2 to 4 feet. A
slight chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-070000-
Lake Borgne-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet this afternoon. Patchy fog early this morning with
visibility 1 NM or less.
.TONIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet in the
evening, then 1 foot or less. Patchy fog after midnight.
.WEDNESDAY...Southwest winds around 5 knots. Waves 1 foot or less.
Patchy fog in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.THURSDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Waves 2 to 3 feet. A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of
showers in the morning, then showers likely with a slight chance of
thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming west 15 to
20 knots after midnight. Waves 2 to 4 feet. A slight chance of
thunderstorms. Showers likely, mainly in the evening.
.SATURDAY...Northwest winds 15 to 20 knots. Waves 3 to 4 feet. A
chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Waves 3 to 5 feet. A slight chance of
showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-070000-
Mississippi Sound-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots. Waves around 2 feet. Patchy
fog early this morning with visibility 1 NM or less.
.TONIGHT...Southwest winds 10 to 15 knots, becoming west 5 to
10 knots after midnight. Waves 2 to 3 feet. Patchy fog.
.WEDNESDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
Patchy fog in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.THURSDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers in the afternoon.
.THURSDAY NIGHT...South winds around 15 knots with gusts up to
20 knots. Waves around 3 feet. A chance of showers.
.FRIDAY...South winds around 15 knots. Waves around 3 feet. A slight
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest after
midnight. Waves around 3 feet. A slight chance of thunderstorms.
Showers likely, mainly in the evening.
.SATURDAY...Northwest winds around 15 knots. Waves 3 to 4 feet. A
chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots. Waves 3 to 4 feet. A
slight chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-070000-
Chandeleur Sound-Breton Sound-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots, increasing to 10 to 15 knots
late. Waves around 2 feet.
.TONIGHT...Southwest winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Waves 2 to 3 feet. Patchy fog after
midnight.
.WEDNESDAY...Southwest winds around 5 knots. Waves 1 foot or less.
Patchy fog in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.THURSDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. Waves 2 to 3 feet. A slight chance of showers in
the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Waves 2 to 3 feet. A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Waves around 3 feet. A chance
of showers in the morning, then showers likely with a slight chance
of thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest after
midnight. Waves around 3 feet. A slight chance of thunderstorms.
Showers likely, mainly in the evening.
.SATURDAY...Northwest winds 15 to 20 knots. Waves 3 to 4 feet. A
chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Waves 4 to 5 feet. A slight chance of
showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-070000-
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-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 3 seconds and east 1 foot at 4 seconds.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 3 seconds and east 1 foot at 4 seconds.
Patchy fog after midnight.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: West 1 foot at 3 seconds. Patchy fog in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 2 seconds.
.THURSDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 3 seconds. A slight chance of showers in the
afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
South 3 feet at 5 seconds. A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: South 3 feet at 5 seconds. A chance of
showers.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 6 seconds. A
slight chance of thunderstorms. Showers likely, mainly in the
evening.
.SATURDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 3 feet at 4 seconds and
south 3 feet at 6 seconds. A chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet.
Wave Detail: North 5 feet at 5 seconds and southeast 2 feet at
7 seconds. A chance of showers, mainly in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-070000-
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-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 4 seconds.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Southwest 1 foot at 4 seconds. Patchy fog after midnight.
.WEDNESDAY...Southwest winds around 5 knots. Seas 1 to 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Patchy fog in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 1 to 2 feet. Wave Detail: South 2 feet
at 5 seconds.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds. A slight
chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
South 4 feet at 6 seconds. A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: South 4 feet at 6 seconds. A slight chance
of thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots, becoming west 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: South 4 feet at 7 seconds. A slight chance of
thunderstorms. Showers likely, mainly in the evening.
.SATURDAY...North winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 4 feet at 4 seconds
and south 3 feet at 6 seconds. A chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: North 4 feet at 4 seconds and southeast 2 feet at
7 seconds. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-070000-
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-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 3 seconds and east 1 foot at 4 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 3 seconds and east 1 foot at 4 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds. A slight chance of showers.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 6 seconds. A slight chance of
showers in the evening.
.THURSDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds. A slight chance of showers in the
afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds.
A chance of showers.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: South 3 feet at 6 seconds. A chance of
showers.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southwest 4 feet at 6 seconds.
A chance of showers and thunderstorms.
.SATURDAY...Northwest winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: South 5 feet at 6 seconds and
northwest 4 feet at 4 seconds. A slight chance of thunderstorms in
the morning. A chance of showers.
.SATURDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet,
building to 6 to 7 feet, occasionally to 9 feet after midnight. Wave
Detail: North 5 feet at 5 seconds and southwest 4 feet at 6 seconds,
becoming northwest 7 feet at 7 seconds. A chance of showers, mainly
in the evening.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-070000-
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-
507 AM CST Tue Jan 6 2026

.TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and east 1 foot at 4 seconds.
.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and east 1 foot at 4 seconds.
.WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 5 seconds.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet
at 5 seconds. A slight chance of showers in the afternoon.
.THURSDAY NIGHT...South winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 6 seconds. A chance of showers.
.FRIDAY...South winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. A
slight chance of thunderstorms. A chance of showers in the morning,
then showers likely in the afternoon.
.FRIDAY NIGHT...South winds around 15 knots, becoming west after
midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 7 seconds and northwest 3 feet at 4 seconds. Showers
likely with a slight chance of thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.SATURDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet.
Wave Detail: Southwest 6 feet at 6 seconds and north 4 feet at
5 seconds. A chance of showers.
.SATURDAY NIGHT...North winds 20 to 25 knots. Seas 5 to 8 feet,
occasionally to 10 feet. Wave Detail: North 7 feet at 6 seconds and
west 4 feet at 7 seconds. A chance of showers, mainly in the
evening.

Winds and seas higher in and near thunderstorms.

$$