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

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FZUS54 KLIX 280230
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
930 PM CDT Thu Mar 27 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-GMZ501-281445-
930 PM CDT Thu Mar 27 2025

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

Winds will increase to 15 to 20 knots Friday. Showers and and a few
thunderstorms are likely Friday night through Saturday with locally
higher winds and seas. A wake low with gale-force winds cannot be
ruled out behind these storms. Winds and seas should calm some during
the latter part of the weekend, although winds will remain southerly
ahead of a weak frontal system pushing off the coast on Monday
night.

$$

GMZ530-281445-
Lake Pontchartrain and Lake Maurepas-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...East winds near 15 knots. Waves 3 feet.
.FRIDAY...Southeast winds near 15 knots, increasing to 15 to 20
knots in the afternoon. Waves 2 to 4 feet. A slight chance of showers
in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet. A slight chance of thunderstorms. A
chance of showers.
.SATURDAY...Southeast winds around 15 knots with gusts up to
20 knots. Waves around 3 feet. Showers likely in the morning, then
showers with a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
A chance of showers with a slight chance of thunderstorms in the
evening.
.SUNDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of thunderstorms. A slight chance of showers in the morning,
then a chance of showers in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Waves around 2 feet.
.TUESDAY...East winds around 10 knots, becoming southeast in the
afternoon. Waves around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-281445-
Lake Borgne-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...East winds near 15 knots. Waves 3 feet.
.FRIDAY...Southeast winds near 15 knots, increasing to 15 to 20
knots in the afternoon. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet. A slight chance of thunderstorms. A
slight chance of showers in the evening, then a chance of showers
after midnight.
.SATURDAY...Southeast winds around 15 knots with gusts up to
20 knots. Waves around 3 feet. Showers likely with a slight chance
of thunderstorms in the morning, then showers with a chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
A slight chance of thunderstorms. A chance of showers, mainly in the
evening.
.SUNDAY...South winds 10 to 15 knots. Waves around 2 feet. A slight
chance of thunderstorms. A slight chance of showers in the morning,
then a chance of showers in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds 10 to 15 knots. Waves around 2 feet. A
chance of thunderstorms. A chance of showers.
.MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Waves 1 foot or less, then around 2 feet after
midnight.
.TUESDAY...East winds around 10 knots, becoming southeast in the
afternoon. Waves around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-281445-
Mississippi Sound-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...East winds near 15 knots. Waves 3 feet.
.FRIDAY...Southeast winds near 15 knots, increasing to 15 to 20
knots in the afternoon. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Waves 3 to 4 feet. A
slight chance of showers after midnight.
.SATURDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet. A slight chance of thunderstorms. A
chance of showers in the morning, then showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Waves 2 to 3 feet. A chance of showers in the evening,
then a slight chance of showers and thunderstorms after midnight.
.SUNDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of
showers with a slight chance of thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds around 10 knots. Waves around 2 feet. A
chance of thunderstorms. Showers likely.
.MONDAY NIGHT...West winds 5 to 10 knots, becoming north after
midnight. Waves around 2 feet.
.TUESDAY...Northeast winds around 10 knots, becoming southeast in
the afternoon. Waves around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-281445-
Chandeleur Sound-Breton Sound-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...Southeast winds near 15 knots. Waves 3 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Waves 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Waves 3 to 4 feet. A
slight chance of showers. A slight chance of thunderstorms after
midnight.
.SATURDAY...Southeast winds 15 to 20 knots. Waves 3 to 4 feet. A
chance of thunderstorms. A chance of showers in the morning, then
showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
A slight chance of thunderstorms. A chance of showers, mainly in the
evening.
.SUNDAY...South winds 10 to 15 knots. Waves around 2 feet. A chance
of showers with a slight chance of thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of thunderstorms. A chance of showers.
.MONDAY NIGHT...West winds around 10 knots, becoming north after
midnight. Waves around 2 feet.
.TUESDAY...East winds around 10 knots, becoming southeast in the
afternoon. Waves around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-281445-
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-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...Southeast winds near 15 knots with gusts up to 20
knots. Seas 3 feet. Wave Detail: Southeast 3 feet at 5 seconds.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet,
occasionally to 8 feet in the afternoon. Wave Detail: Southeast 4
feet at 6 seconds, becoming southeast 5 feet at 6 seconds.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 7 feet at 8 seconds. A slight chance of showers.
.SATURDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 6 feet at 9 seconds. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 5 feet at 8 seconds. A slight chance of thunderstorms. A
chance of showers, mainly in the evening.
.SUNDAY...South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Wave Detail: South 5 feet at 7 seconds. A slight chance
of thunderstorms. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 7 seconds.
.MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, becoming north after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 6 seconds.
A slight chance of showers and thunderstorms in the evening.
.TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds and northeast 1 foot at 3 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-281445-
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-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...Southeast winds near 15 knots with gusts up to 20
knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 4 feet at 6 seconds.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast
5 feet at 8 seconds. A slight chance of showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 5 feet at 8 seconds. A chance of showers and
thunderstorms.
.SATURDAY...Southeast winds around 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 5 feet at 8 seconds. A chance of thunderstorms. Showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 4 feet at 8 seconds and south 3 feet at 7 seconds. A
chance of showers with a slight chance of thunderstorms in the
evening.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds and south
3 feet at 7 seconds. A slight chance of showers and thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 3 feet at 4 seconds and south 3 feet at 7 seconds.
.MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: South 2 feet at 7 seconds. A
chance of showers and thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots, becoming northeast after
midnight. Seas around 2 feet. Wave Detail: South 2 feet at
6 seconds.
.TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-281445-
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-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...Southeast winds near 15 knots with gusts up to 20
knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
East 4 feet at 6 seconds.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast
6 feet at 8 seconds and east 2 feet at 5 seconds.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 7 feet at 8 seconds. A slight chance of showers.
.SATURDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 7 feet at 8 seconds. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
South 6 feet at 7 seconds. A slight chance of thunderstorms. A
chance of showers, mainly in the evening.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds.
A chance of showers with a slight chance of thunderstorms.
.SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
South 3 feet at 7 seconds.
.MONDAY...Southwest winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 2 feet at 6 seconds. A
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds around 10 knots, becoming north
after midnight. Seas around 3 feet. Wave Detail: South 2 feet at
6 seconds. A slight chance of showers and thunderstorms in the
evening.
.TUESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-281445-
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-
930 PM CDT Thu Mar 27 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM CDT FRIDAY
THROUGH FRIDAY EVENING...

.OVERNIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 5 feet at 7 seconds.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast
6 feet at 7 seconds. A slight chance of showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas around 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 7 feet at 8 seconds. A chance of showers and
thunderstorms.
.SATURDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 7 feet at 8 seconds and south 3 feet at 7 seconds. Showers
likely with a chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds around 15 knots with gusts up to
20 knots. Seas around 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 5 feet at 8 seconds and south 3 feet at 7 seconds. A
chance of showers with a slight chance of thunderstorms in the
evening.
.SUNDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas
4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet
at 8 seconds and south 3 feet at 7 seconds. A slight chance of
showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 3 feet at 7 seconds.
.MONDAY...Southwest winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 7 seconds. A
slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, becoming east after
midnight. Seas around 3 feet. Wave Detail: South 3 feet at
6 seconds.
.TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$