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

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799
FZUS54 KLIX 220258
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
958 PM CDT Sat Jun 21 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-GMZ501-221515-
958 PM CDT Sat Jun 21 2025

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

Easterly to southeasterly winds at 15 knots or less is expected
throughout the forecast period while we stay positioned on the
southwest flank of the Bermuda High over the southwest Atlantic. A
few storms could occur overnight into Sunday, but are more likely on
Monday and Tuesday with the passage of a weak easterly wave. A few
of these storms could be strong and cause significant wind shifts,
high winds and seas, frequent lightning, and waterspouts.

$$

GMZ530-221515-
Lake Pontchartrain and Lake Maurepas-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds around 5 knots. Waves 1 foot or less.
.SUNDAY...East winds around 5 knots, increasing to 5 to 10 knots in
the afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
A chance of showers and thunderstorms in the evening, then a slight
chance of showers after midnight.
.MONDAY...East winds 5 to 10 knots. Waves 1 to 2 feet. A slight
chance of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in the
evening, then 1 foot or less. A slight chance of showers and
thunderstorms.
.TUESDAY...East winds 5 to 10 knots. Waves around 2 feet. A chance
of thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 to 2 feet in
the evening, then 1 foot or less.
.WEDNESDAY...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming west
after midnight. Waves 1 foot or less.
.THURSDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. 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...South winds around 5 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-221515-
Lake Borgne-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
.SUNDAY...East winds around 5 knots, increasing to around 10 knots
in the afternoon. Waves 1 foot or less. A slight chance of showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
A slight chance of showers and thunderstorms.
.MONDAY...East winds 5 to 10 knots. Waves around 2 feet. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.MONDAY NIGHT...Southeast winds around 10 knots. Waves around
2 feet. A slight chance of showers and thunderstorms in the evening,
then a chance of showers and thunderstorms after midnight.
.TUESDAY...East winds 10 to 15 knots. Waves around 2 feet. Showers
likely with a chance of thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.WEDNESDAY...East winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Waves 1 foot or less.
.THURSDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. 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...South winds 5 to 10 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-221515-
Mississippi Sound-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds around 5 knots. Waves 1 foot or less.
.SUNDAY...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.MONDAY...East winds 5 to 10 knots. Waves around 2 feet. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.MONDAY NIGHT...East winds around 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Waves around 2 feet. A chance
of thunderstorms. Showers likely, mainly in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of showers and
thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Waves around 2 feet. A slight chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Waves 1 to 2 feet in the evening, then 1 foot or less.
.THURSDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A slight chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of showers and
thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-221515-
Chandeleur Sound-Breton Sound-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
.SUNDAY...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Waves 2 to 3 feet. Showers likely with a chance of
thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. Showers and
thunderstorms likely, mainly in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A slight chance of showers and
thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots. Waves around 2 feet. A chance
of showers and thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
A slight chance of showers and thunderstorms after midnight.
.THURSDAY...East winds 5 to 10 knots. Waves 1 foot or less. A slight
chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-221515-
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-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds and southeast 1 foot at
8 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds and south 1 foot at 8 seconds. A
slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at
4 seconds. Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 5 seconds. Showers with thunderstorms likely in
the morning, then a chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.WEDNESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Southeast 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 after midnight.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. A chance
of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-221515-
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-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.SUNDAY...Southeast 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.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers. A
slight chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.MONDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in
the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
5 seconds. Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 5 seconds. Thunderstorms likely. Showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 7 seconds. A slight chance
of showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of
showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 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.

$$

GMZ575-577-221515-
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-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 3 seconds and southwest 1 foot at 4 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds and south 1 foot at 9 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 around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds and south 1 foot at
9 seconds. A chance of showers with a slight chance of
thunderstorms.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 4 seconds. A chance of thunderstorms. Showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 5 seconds. A chance of showers with a
slight chance of thunderstorms in the evening, then showers likely
with a chance of thunderstorms after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A chance of thunderstorms.
Showers.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.WEDNESDAY...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of
showers. A slight chance of thunderstorms after midnight.
.THURSDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of
showers. A chance of thunderstorms, mainly in the morning.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-221515-
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-
958 PM CDT Sat Jun 21 2025

.OVERNIGHT...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. A slight chance of showers
and thunderstorms late.
.SUNDAY...East winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 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 around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.MONDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 5 seconds and southwest 1 foot at 7 seconds. A chance
of thunderstorms. Showers.
.MONDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots.
Seas around 3 feet. Wave Detail: South 3 feet at 6 seconds. A chance
of thunderstorms. A chance of showers in the evening, then showers
after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 5 seconds. Showers with thunderstorms likely
in the morning, then showers with a chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...Southeast winds around 15 knots, diminishing to
around 10 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.WEDNESDAY...East winds around 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds.
A chance of thunderstorms. Showers likely, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A slight chance
of showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.THURSDAY...East winds 5 to 10 knots. Seas around 3 feet. A chance
of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 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.

$$