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

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FZUS54 KLIX 240821
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Coastal Waters Forecast
National Weather Service New Orleans LA
321 AM CDT Tue Sep 24 2024

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-GMZ501-242115-
321 AM CDT Tue Sep 24 2024

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

Potential Tropical Cyclone 9 will bring impacts to the southern and
eastern Gulf of Mexico later this week. Mariners should stay informed
with the latest forecast concerning this system as winds and seas
may increase to hazardous thresholds by mid to late week as gradient
winds and wave heights increase.

$$

GMZ530-242115-
Lake Pontchartrain and Lake Maurepas-
321 AM CDT Tue Sep 24 2024

.TODAY...North winds around 5 knots, becoming east this afternoon.
Waves 1 foot or less.
.TONIGHT...Southeast winds around 5 knots, becoming west after
midnight. Waves 1 foot or less.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
10 to 15 knots with gusts up to 20 knots after midnight. Waves 2 to
3 feet. A slight chance of showers and thunderstorms.
.THURSDAY...North winds 10 to 15 knots with gusts up to 20 knots.
Waves around 3 feet. A slight chance of showers. A slight chance of
thunderstorms early in the morning. A slight chance of thunderstorms
in the afternoon.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots with gusts up to
20 knots. Waves 2 to 4 feet. A slight chance of showers early in the
evening.
.FRIDAY...West winds 10 to 15 knots. Waves around 2 feet.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-242115-
Lake Borgne-
321 AM CDT Tue Sep 24 2024

.TODAY...North winds around 5 knots, becoming east around 5 knots
this afternoon. Waves 1 foot or less.
.TONIGHT...Southeast winds around 5 knots, becoming southwest after
midnight. Waves 1 foot or less.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to
15 to 20 knots with gusts up to 25 knots after midnight. Waves 2 to
4 feet. A chance of showers and thunderstorms.
.THURSDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Waves 3 to 4 feet. A chance of thunderstorms in the morning. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet. A slight chance of showers early in the
evening.
.FRIDAY...West winds 10 to 15 knots. Waves 2 to 3 feet.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots. Waves around 2 feet in
the morning, then 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-242115-
Mississippi Sound-
321 AM CDT Tue Sep 24 2024

.TODAY...North winds around 5 knots, becoming southeast this
afternoon. Waves 1 foot or less.
.TONIGHT...South winds around 5 knots, becoming west after midnight.
Waves 1 foot or less.
.WEDNESDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Waves around 2 feet. A slight chance of showers in the
morning. A slight chance of thunderstorms late in the morning, then
a chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming northeast
15 to 20 knots with gusts up to 25 knots after midnight. Waves 2 to
4 feet. A chance of thunderstorms.
.THURSDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Waves around 4 feet. A chance of showers. A chance of thunderstorms
early in the morning, then a slight chance of thunderstorms in the
late morning and afternoon.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet. A chance of showers with a slight
chance of thunderstorms early in the evening.
.FRIDAY...West winds 10 to 15 knots. Waves 2 to 3 feet.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Waves 2 to 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-242115-
Chandeleur Sound-Breton Sound-
321 AM CDT Tue Sep 24 2024

.TODAY...North winds around 5 knots, becoming east around 5 knots
this afternoon. Waves 1 foot or less.
.TONIGHT...Southeast winds around 5 knots, becoming southwest after
midnight. Waves 1 foot or less.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Waves 2 to 3 feet, building to 4 to
5 feet after midnight. A chance of thunderstorms. Showers likely
until early morning, then a chance of showers late.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Waves 4 to 5 feet. A chance of showers. A chance of thunderstorms,
mainly in the morning.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 5 feet. A chance of showers with a slight
chance of thunderstorms early in the evening.
.FRIDAY...West winds 15 to 20 knots, diminishing to 10 to 15 knots
in the afternoon. Waves 2 to 4 feet.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-242115-
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-
321 AM CDT Tue Sep 24 2024

.TODAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds.
.TONIGHT...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds.
.WEDNESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas around 2 feet. Wave Detail:
Northeast 2 feet at 5 seconds. A chance of showers with a slight
chance of thunderstorms in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming northeast
15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet, building to 4 to 6 feet, occasionally to 8 feet after
midnight. Wave Detail: East 6 feet at 7 seconds. A chance of
thunderstorms. Showers.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Southeast
8 feet at 12 seconds and northeast 5 feet at 5 seconds. A chance of
thunderstorms. A chance of showers.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots with gusts up to
25 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail:
Southeast 10 feet at 13 seconds. A chance of showers and
thunderstorms early in the evening.
.FRIDAY...West winds 10 to 15 knots. Seas 4 to 6 feet, occasionally
to 8 feet, subsiding to 2 to 4 feet, occasionally to 5 feet in the
afternoon. Wave Detail: Southeast 6 feet at 11 seconds and west
3 feet at 4 seconds.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southwest
2 feet at 4 seconds and southeast 2 feet at 8 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and southeast 1 foot at
7 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds and southeast 1 foot at
7 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-242115-
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-
321 AM CDT Tue Sep 24 2024

.TODAY...East winds around 5 knots, increasing to 5 to 10 knots this
afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
4 seconds.
.TONIGHT...East winds 5 to 10 knots, becoming northeast after
midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
4 seconds.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A slight chance of showers
and thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to
20 to 25 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northeast 4 feet at 4 seconds and southeast
3 feet at 8 seconds. A chance of showers and thunderstorms.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast
5 feet at 10 seconds and north 4 feet at 4 seconds. A chance of
showers and thunderstorms early in the morning, then a slight chance
of showers and thunderstorms in the late morning and afternoon.
.THURSDAY NIGHT...Northwest 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 12 seconds and northwest 4 feet at 4 seconds. A
slight chance of showers and thunderstorms early in the evening.
.FRIDAY...West winds 10 to 15 knots. Seas 3 to 5 feet, occasionally
to 6 feet. Wave Detail: Southeast 4 feet at 11 seconds and northwest
3 feet at 4 seconds.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 2 feet at 8 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and southeast 1 foot at
7 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-242115-
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-
321 AM CDT Tue Sep 24 2024

.TODAY...East winds 5 to 10 knots. Seas 1 foot or less, then around
2 feet this afternoon. Wave Detail: East 2 feet at 4 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. A slight chance of showers and
thunderstorms late.
.WEDNESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of
thunderstorms. Showers.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, becoming northeast
20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, building to 5 to 8 feet, occasionally to 10 feet after
midnight. Wave Detail: Southeast 8 feet at 13 seconds and east
6 feet at 7 seconds. A chance of thunderstorms. Showers.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Seas 8 to 10 feet, occasionally to 13 feet, building to 10 to
13 feet, occasionally to 17 feet in the afternoon. Wave Detail:
Southeast 11 feet at 12 seconds and northeast 6 feet at 7 seconds. A
chance of thunderstorms. Showers until late afternoon, then a chance
of showers late.
.THURSDAY NIGHT...Northwest winds 20 to 25 knots with gusts up to
30 knots, diminishing to 15 to 20 knots after midnight. Seas 12 to
14 feet, occasionally to 18 feet, subsiding to 8 to 10 feet,
occasionally to 13 feet after midnight. Wave Detail: Southeast
13 feet at 12 seconds and northwest 5 feet at 5 seconds. A chance of
showers and thunderstorms early in the evening, then a slight chance
of showers and thunderstorms late in the evening.
.FRIDAY...West winds 10 to 15 knots. Seas 5 to 7 feet, occasionally
to 9 feet, subsiding to 3 to 4 feet, occasionally to 5 feet in the
afternoon. Wave Detail: East 5 feet at 10 seconds and west 4 feet at
6 seconds.
.FRIDAY NIGHT...Southwest winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: West 3 feet at 5 seconds and southeast 2 feet at
8 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and southeast 1 foot at
7 seconds. A slight chance of showers in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds and southeast 1 foot at
6 seconds. A slight chance of showers early in the evening. A slight
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-242115-
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-
321 AM CDT Tue Sep 24 2024

.TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 2 feet at 5 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A slight chance of showers late.
.WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
4 seconds and southeast 1 foot at 10 seconds. A chance of showers. A
slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet, building to 5 to 7 feet, occasionally to 9 feet after
midnight. Wave Detail: Northeast 6 feet at 6 seconds and southeast
5 feet at 13 seconds. Showers likely with a chance of thunderstorms.
.THURSDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Southeast
8 feet at 11 seconds and north 7 feet at 6 seconds. A chance of
showers. A chance of thunderstorms, mainly in the morning.
.THURSDAY NIGHT...Northwest winds 15 to 20 knots with gusts up to
25 knots. Seas 9 to 12 feet, occasionally to 15 feet, subsiding to
7 to 10 feet, occasionally to 13 feet after midnight. Wave Detail:
Southeast 9 feet at 12 seconds and northwest 6 feet at 6 seconds. A
slight chance of showers and thunderstorms early in the evening.
.FRIDAY...Northwest winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to
6 feet in the afternoon. Wave Detail: East 6 feet at 11 seconds and
northwest 4 feet at 6 seconds.
.FRIDAY NIGHT...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: West 2 feet at 4 seconds and east 2 feet at 8 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and southeast 1 foot at 7 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: West 2 feet at 5 seconds and southeast 1 foot at
7 seconds. A slight chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$