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

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189
FZUS54 KLIX 290504
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1204 AM CDT Sun Jun 29 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-GMZ501-291730-
1204 AM CDT Sun Jun 29 2025

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

Winds are expected to develop a more southwesterly, or even westerly
component over the next few days as the center of the surface high
shifts a bit to the east. Wind speeds will generally remain less
than 15 knots, with the more general concern daily/nightly rounds of
showers and thunderstorms, which would produce locally higher winds
and seas. Most frequent timing will be late night and morning hours
over the open waters, and afternoon and early evening over the lakes
and sounds.

$$

GMZ530-291730-
Lake Pontchartrain and Lake Maurepas-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...South winds around 5 knots. Waves 1 foot or less.
.SUNDAY...Southwest 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...Southwest winds around 5 knots. Waves 1 foot or
less. A chance of showers and thunderstorms in the evening, then a
slight chance of showers after midnight.
.MONDAY...West 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.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 to 2 feet. A
slight chance of thunderstorms. A chance of showers, mainly in the
evening.
.TUESDAY...West winds 5 to 10 knots. Waves 1 foot or less. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.TUESDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less,
then 1 to 2 feet after midnight. A chance of showers and
thunderstorms.
.WEDNESDAY...West winds 5 to 10 knots. Waves 1 to 2 feet in the
morning, then 1 foot or less. A chance of showers and thunderstorms
in the morning, then showers and thunderstorms likely in the
afternoon.
.WEDNESDAY NIGHT...West winds around 5 knots. Waves 1 foot or less.
A chance of showers and thunderstorms.
.THURSDAY...Northwest 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.
.THURSDAY NIGHT...Northwest winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-291730-
Lake Borgne-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.SUNDAY...Southwest winds 5 to 10 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...Southwest winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A chance of showers and
thunderstorms.
.MONDAY...West winds 5 to 10 knots. Waves 1 foot or less. Showers
and thunderstorms.
.MONDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet. A chance of showers and thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. Showers likely with a chance of
thunderstorms in the morning, then showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet after midnight. A chance of showers and
thunderstorms in the evening, then showers and thunderstorms likely
after midnight.
.WEDNESDAY...Northwest winds around 10 knots, becoming west in the
afternoon. Waves around 2 feet in the morning, then 1 foot or less.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.THURSDAY...Northwest winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...West 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.

$$

GMZ532-291730-
Mississippi Sound-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms, mainly late.
.SUNDAY...Southwest 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 morning, then showers and thunderstorms likely
in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
Showers and thunderstorms likely, mainly in the evening.
.MONDAY...West winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. Showers and thunderstorms.
.MONDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet. Showers likely with a chance of thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Waves around 2 feet. Showers,
thunderstorms.
.TUESDAY NIGHT...West winds around 10 knots. Waves around 2 feet.
Thunderstorms likely. Showers likely.
.WEDNESDAY...West winds 5 to 10 knots. Waves around 2 feet. Showers
likely. A chance of thunderstorms in the morning, then thunderstorms
likely in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Waves around
2 feet. A chance of showers and thunderstorms.
.THURSDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves around 2 feet. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots, becoming northwest after
midnight. Waves 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 waves higher in and near thunderstorms.

$$

GMZ536-538-291730-
Chandeleur Sound-Breton Sound-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet late
this evening, then 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A chance of thunderstorms. A chance
of showers.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
A chance of showers and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. Thunderstorms likely. Showers
likely.
.MONDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.TUESDAY...West winds 5 to 10 knots. Waves around 2 feet.
Thunderstorms likely. Showers.
.TUESDAY NIGHT...West winds around 10 knots. Waves around 2 feet.
Showers likely with a chance of thunderstorms in the evening, then
showers and thunderstorms likely after midnight.
.WEDNESDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. Showers and thunderstorms likely.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet after midnight. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Waves around 2 feet in
the morning, then 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet after midnight. 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.

$$

GMZ555-557-291730-
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-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 8 seconds. A chance of showers and
thunderstorms, mainly late.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 7 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 7 seconds. A chance of showers and
thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds and west 1 foot at 2 seconds.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.MONDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds and west 1 foot at 3 seconds.
Thunderstorms likely. Showers.
.TUESDAY NIGHT...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 3 seconds and southeast 2 feet at 7 seconds.
Showers likely with a chance of thunderstorms in the evening, then
showers with thunderstorms likely after midnight.
.WEDNESDAY...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.
Showers with thunderstorms likely in the morning, then a chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West 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 thunderstorms. Showers likely.
.THURSDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and south 1 foot at 6 seconds.
Showers and thunderstorms likely, mainly in the morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-291730-
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-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 8 seconds. A chance of showers and
thunderstorms.
.SUNDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:
South 2 feet at 7 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: South 2 feet at 5 seconds. A slight chance of showers
and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: South 2 feet at 6 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:
South 2 feet at 6 seconds. A chance of thunderstorms. Showers
likely, mainly in the morning.
.TUESDAY NIGHT...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southwest 2 feet at 3 seconds and south 2 feet at 6 seconds.
A chance of showers and thunderstorms in the evening, then showers
and thunderstorms likely after midnight.
.WEDNESDAY...West winds 5 to 10 knots. Seas 2 to 3 feet, subsiding
to 1 to 2 feet in the afternoon. 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 around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and southeast 2 feet at
6 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.THURSDAY...West 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 thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-291730-
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-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 8 seconds. A chance of showers and
thunderstorms, mainly late.
.SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 7 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds and south 1 foot at
9 seconds. A chance of showers and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds. Showers likely with a chance of
thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.TUESDAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 6 seconds and west 1 foot at 3 seconds. Showers with
thunderstorms likely in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...West winds around 10 knots. Seas around 3 feet.
Wave Detail: West 2 feet at 3 seconds and southeast 2 feet at
7 seconds. A chance of showers and thunderstorms in the evening,
then showers with thunderstorms likely after midnight.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 2 feet at 6 seconds.
Thunderstorms likely. Showers.
.WEDNESDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and southeast 2 feet at
6 seconds. A chance of thunderstorms. Showers.
.THURSDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 4 seconds and south 1 foot at 5 seconds.
Showers and thunderstorms likely, mainly in the morning.
.THURSDAY NIGHT...West winds around 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-291730-
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-
1204 AM CDT Sun Jun 29 2025

.OVERNIGHT...South winds around 10 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 8 seconds. A chance of showers and
thunderstorms, mainly late.
.SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 3 feet at 7 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds and southeast 1 foot at 9 seconds.
A slight chance of showers. A slight chance of thunderstorms after
midnight.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds. A slight chance of thunderstorms.
A slight chance of showers in the evening, then a chance of showers
after midnight.
.TUESDAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 6 seconds. A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: West 2 feet at 3 seconds and south 2 feet at 6 seconds.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.WEDNESDAY...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 2 feet at 6 seconds.
A chance of thunderstorms. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...West winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and southeast 2 feet at
6 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.THURSDAY...Northwest winds around 10 knots. Seas around 2 feet.
Wave Detail: West 2 feet at 4 seconds and southeast 1 foot at
5 seconds. A chance of thunderstorms. Showers likely, mainly in the
morning.
.THURSDAY NIGHT...West winds around 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.

$$