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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
663
FZUS54 KLIX 230242
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
942 PM CDT Sun Sep 22 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-GMZ501-231515-
942 PM CDT Sun Sep 22 2024

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

A surface high will slowly move east. A tropical disturbance is
likely to develop over the western Caribbean or southern Gulf of
Mexico by mid week. Mariners should stay informed with the latest
forecast concerning this disturbance.

$$

GMZ530-231515-
Lake Pontchartrain and Lake Maurepas-
942 PM CDT Sun Sep 22 2024

.OVERNIGHT...South winds around 5 knots, becoming light and
variable. Waves 1 foot or less.
.MONDAY...Northeast winds around 5 knots. Waves 1 foot or less.
.MONDAY NIGHT...South winds around 5 knots, becoming southwest
around 5 knots after midnight. Waves 1 foot or less.
.TUESDAY...Northeast winds around 5 knots, becoming east around
5 knots in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...Northeast winds 5 to 10 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.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast
10 to 15 knots with gusts up to 20 knots after midnight. Waves 2 to
3 feet. A chance of showers. A chance of thunderstorms, mainly in
the evening.
.THURSDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots. Waves 3 to 4 feet. A
slight chance of showers and thunderstorms in the evening.
.FRIDAY...Northwest winds 10 to 15 knots. Waves 2 to 3 feet.
.FRIDAY NIGHT...Southwest winds around 10 knots. Waves around
2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-231515-
Lake Borgne-
942 PM CDT Sun Sep 22 2024

.OVERNIGHT...South winds around 5 knots, becoming southwest late.
Waves 1 foot or less.
.MONDAY...Northeast winds around 5 knots. Waves 1 foot or less.
.MONDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.
.TUESDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
25 knots. Waves 2 to 4 feet. A chance of thunderstorms. A chance of
showers.
.THURSDAY...Northeast winds 15 to 20 knots. Waves 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots. Waves 3 to 4 feet. A
chance of showers with a slight chance of thunderstorms in the
evening, then a slight chance of showers after midnight.
.FRIDAY...Northwest winds 15 to 20 knots. Waves 2 to 4 feet.
.FRIDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-231515-
Mississippi Sound-
942 PM CDT Sun Sep 22 2024

.OVERNIGHT...South winds around 5 knots, becoming west late. Waves
1 foot or less.
.MONDAY...North winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less.
.TUESDAY...Northeast winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Waves around 2 feet. A chance
of showers with a slight chance of thunderstorms in the morning,
then a chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to
25 knots. Waves 2 to 4 feet. A chance of showers and thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Waves 3 to 4 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots. Waves around 4 feet. A
slight chance of thunderstorms. A chance of showers.
.FRIDAY...West winds 15 to 20 knots. Waves 3 to 4 feet. A slight
chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-231515-
Chandeleur Sound-Breton Sound-
942 PM CDT Sun Sep 22 2024

.OVERNIGHT...Southeast winds around 5 knots. Waves 1 foot or less.
.MONDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less.
.MONDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.
.TUESDAY...East winds 5 to 10 knots. Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Waves around 2 feet. A chance
of showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming northeast
15 to 20 knots after midnight. Waves 2 to 4 feet. Showers likely
with a chance of thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Waves 4 to 5 feet. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...North winds around 20 knots. Waves 4 to 5 feet. A
chance of showers with a slight chance of thunderstorms in the
evening, then a slight chance of showers after midnight.
.FRIDAY...West winds 15 to 20 knots. Waves 3 to 4 feet. A slight
chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-231515-
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-
942 PM CDT Sun Sep 22 2024

.OVERNIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet late
this evening, then 1 foot or less. Wave Detail: East 1 foot at
4 seconds, becoming southeast 1 foot at 4 seconds.
.MONDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds.
.MONDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. A chance of thunderstorms. A
chance of showers in the morning, then showers likely in the
afternoon.
.WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming northeast
15 to 20 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: Southeast 5 feet at 7 seconds, becoming
southeast 7 feet at 10 seconds. Showers likely with a chance of
thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 9 to 12 feet,
occasionally to 15 feet, building to 10 to 14 feet, occasionally to
18 feet in the afternoon. Wave Detail: Southeast 12 feet at
13 seconds, becoming southeast 14 feet at 14 seconds. A chance of
thunderstorms. Showers likely, mainly in the morning.
.THURSDAY NIGHT...North winds around 20 knots. Seas 8 to 11 feet,
occasionally to 14 feet, subsiding to 5 to 7 feet, occasionally to
9 feet after midnight. Wave Detail: Southeast 11 feet at 13 seconds,
becoming southeast 7 feet at 11 seconds and northwest 4 feet at
4 seconds. A chance of showers and thunderstorms, mainly in the
evening.
.FRIDAY...West winds 15 to 20 knots. Seas 4 to 6 feet, occasionally
to 8 feet. Wave Detail: Northwest 4 feet at 4 seconds and southeast
3 feet at 10 seconds. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-231515-
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-
942 PM CDT Sun Sep 22 2024

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

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-231515-
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-
942 PM CDT Sun Sep 22 2024

.OVERNIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds.
.MONDAY...East winds 5 to 10 knots. Seas 1 foot or less, then around
2 feet in the afternoon. Wave Detail: East 1 foot at 4 seconds,
becoming east 2 feet at 4 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet in the
evening, then 1 foot or less. Wave Detail: East 2 feet at 4 seconds,
becoming southeast 1 foot at 4 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: East 1 foot at
4 seconds, becoming east 2 feet at 5 seconds. A slight chance of
showers in the morning, then a chance of showers with a slight
chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. A
chance of thunderstorms. A chance of showers in the morning, then
showers in the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to 8 to
11 feet, occasionally to 14 feet after midnight. Wave Detail:
Southeast 7 feet at 8 seconds, becoming southeast 11 feet at
12 seconds. Showers with a chance of thunderstorms.
.THURSDAY...North winds around 20 knots. Seas 12 to 17 feet,
occasionally to 22 feet, building to 15 to 20 feet, occasionally to
25 feet in the afternoon. Wave Detail: Southeast 17 feet at
13 seconds, becoming southeast 19 feet at 14 seconds. Showers likely
with a chance of thunderstorms.
.THURSDAY NIGHT...Northwest winds 20 to 25 knots. Seas 10 to
14 feet, occasionally to 18 feet, subsiding to 7 to 9 feet,
occasionally to 11 feet after midnight. Wave Detail: East 14 feet at
12 seconds and north 5 feet at 5 seconds, becoming east 8 feet at
10 seconds and north 6 feet at 6 seconds. A chance of showers. A
chance of thunderstorms, mainly in the evening.
.FRIDAY...West winds 15 to 20 knots. Seas 6 to 7 feet, occasionally
to 9 feet, subsiding to 4 to 6 feet, occasionally to 8 feet in the
afternoon. Wave Detail: North 6 feet at 6 seconds and southeast
4 feet at 9 seconds, becoming west 5 feet at 6 seconds and southeast
2 feet at 9 seconds. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY NIGHT...West winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. A slight chance of thunderstorms in the
evening. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-231515-
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-
942 PM CDT Sun Sep 22 2024

.OVERNIGHT...East winds around 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
East 2 feet at 4 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A slight chance of showers. A
slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds around 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds. A chance of showers with a
slight chance of thunderstorms after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
East 3 feet at 6 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...Northeast winds 15 to 20 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to
9 feet, occasionally to 11 feet after midnight. Wave Detail: East
6 feet at 8 seconds and east 3 feet at 5 seconds, becoming east
9 feet at 11 seconds. A chance of thunderstorms. Showers likely.
.THURSDAY...North winds 20 to 25 knots. Seas 11 to 15 feet,
occasionally to 19 feet. Wave Detail: Southeast 14 feet at
13 seconds. A chance of thunderstorms. Showers likely, mainly in the
morning.
.THURSDAY NIGHT...North winds 20 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: East 12 feet at 12 seconds and
north 6 feet at 6 seconds, becoming east 8 feet at 11 seconds and
northwest 6 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight.
.FRIDAY...Northwest winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet, subsiding to 4 to 5 feet, occasionally to
6 feet in the afternoon. Wave Detail: Northwest 6 feet at 6 seconds
and east 5 feet at 10 seconds, becoming northwest 5 feet at
6 seconds and southeast 3 feet at 9 seconds. A slight chance of
showers and thunderstorms.
.FRIDAY NIGHT...West winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. A slight chance of thunderstorms in the
evening. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$