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

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FZUS54 KLIX 211452
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
952 AM CDT Thu Mar 21 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-GMZ501-220315-
952 AM CDT Thu Mar 21 2024

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

As high pressure center slides east this week, onshore flow will
return and remain in place until the next frontal system on Friday.
Small craft headlines will be necessary over portions of the waters
late this afternoon and tonight, then again Friday night through
Sunday Morning. Wind gusts could approach gale force in the coastal
waters, mainly during the day on Saturday.

$$

GMZ530-220315-
Lake Pontchartrain and Lake Maurepas-
952 AM CDT Thu Mar 21 2024

.REST OF TODAY...East winds 5 to 10 knots. Waves 1 to 2 feet,
building to 2 to 3 feet this afternoon. A chance of showers with a
slight chance of thunderstorms early this afternoon. A chance of
showers late.
.TONIGHT...East winds 15 to 20 knots. Waves 2 to 4 feet. A slight
chance of thunderstorms. Showers likely, mainly in the evening.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest in the afternoon. Waves 2 to 3 feet. A chance of
thunderstorms. Showers likely. Visibility 1 NM or less in the
morning.
.FRIDAY NIGHT...Northwest winds 15 to 20 knots with gusts up to
30 knots, increasing to 20 to 25 knots with gusts up to 40 knots
after midnight. Waves 2 to 4 feet, building to 4 to 5 feet after
midnight. A chance of showers and thunderstorms in the evening.
.SATURDAY...North winds 20 to 25 knots with gusts up to 40 knots,
diminishing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. Waves 3 to 5 feet.
.SATURDAY NIGHT...North winds 15 to 20 knots, becoming northeast
10 to 15 knots after midnight. Gusts up to 30 knots. Waves 2 to
4 feet.
.SUNDAY...East winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 3 feet.
.MONDAY...Southeast winds around 15 knots, increasing to around
20 knots in the afternoon. Waves 3 to 4 feet. A chance of showers
and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots. Waves 3 to 4 feet.
Showers likely with a chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-220315-
Lake Borgne-
952 AM CDT Thu Mar 21 2024

.REST OF TODAY...East winds 5 to 10 knots, increasing to 10 to
15 knots late. Waves 1 to 2 feet. A slight chance of showers early
this afternoon. Showers likely late.
.TONIGHT...Southeast winds 15 to 20 knots. Waves 2 to 4 feet. A
slight chance of thunderstorms. Showers likely, mainly in the
evening.
.FRIDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots,
becoming south in the afternoon. Waves 2 to 3 feet. A chance of
thunderstorms. Showers likely. Visibility 1 NM or less in the
morning.
.FRIDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots,
becoming northwest 20 to 25 knots with gusts up to 35 knots after
midnight. Waves 2 to 3 feet, building to 3 to 5 feet after midnight.
A chance of showers and thunderstorms in the evening.
.SATURDAY...North winds 20 to 25 knots with gusts up to 35 knots.
Waves 3 to 5 feet.
.SATURDAY NIGHT...North winds 15 to 20 knots, becoming northeast
10 to 15 knots after midnight. Waves 2 to 4 feet.
.SUNDAY...East winds 10 to 15 knots. Waves around 2 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
.MONDAY...Southeast winds 15 to 20 knots. Waves 3 to 4 feet. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots. Waves 3 to 4 feet. A
chance of thunderstorms. Showers likely.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-220315-
Mississippi Sound-
952 AM CDT Thu Mar 21 2024

.REST OF TODAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots late. Waves 1 to 2 feet, building to 2 to 3 feet this
afternoon. A chance of showers late.
.TONIGHT...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Waves 2 to 4 feet. Showers likely in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.FRIDAY...East winds 15 to 20 knots, becoming southeast 10 to
15 knots in the afternoon. Waves 2 to 4 feet. Showers likely with a
chance of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Visibility 1 NM or less.
.FRIDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots,
becoming northwest 20 to 25 knots with gusts up to 35 knots after
midnight. Waves 2 to 3 feet, building to 3 to 5 feet after midnight.
A chance of showers and thunderstorms in the evening.
.SATURDAY...North winds 20 to 25 knots with gusts up to 35 knots.
Waves 3 to 5 feet.
.SATURDAY NIGHT...North winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Waves 2 to 4 feet.
.SUNDAY...Northeast winds 10 to 15 knots, becoming southeast in the
afternoon. Waves 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Waves 2 to 4 feet.
.MONDAY...Southeast winds 15 to 20 knots. Waves around 4 feet. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 15 to 20 knots. Waves around 4 feet.
A chance of showers with a slight chance of thunderstorms in the
evening, then showers likely with a chance of thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-220315-
Chandeleur Sound-Breton Sound-
952 AM CDT Thu Mar 21 2024

.REST OF TODAY...East winds 5 to 10 knots. Waves 2 to 3 feet. A
chance of showers late.
.TONIGHT...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Waves 2 to 4 feet. A slight chance of
thunderstorms. Showers likely, mainly in the evening.
.FRIDAY...Southeast winds 10 to 15 knots, becoming south in the
afternoon. Waves 2 to 4 feet. Showers likely with a chance of
thunderstorms. Visibility 1 NM or less.
.FRIDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots,
becoming northwest 20 to 25 knots with gusts up to 35 knots after
midnight. Waves 2 to 3 feet, building to 4 to 5 feet after midnight.
A slight chance of showers and thunderstorms in the evening.
.SATURDAY...North winds 20 to 25 knots with gusts up to 40 knots.
Waves 5 to 6 feet, subsiding to 3 to 5 feet in the afternoon.
.SATURDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet.
.SUNDAY...East winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Waves 3 to 4 feet.
.MONDAY...Southeast winds around 20 knots. Waves 4 to 5 feet. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 20 to 25 knots. Waves 4 to 5 feet. A
chance of showers. A slight chance of thunderstorms in the evening,
then a chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-220315-
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-
952 AM CDT Thu Mar 21 2024

.REST OF TODAY...East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet this afternoon. A chance of showers with a slight
chance of thunderstorms late.
.TONIGHT...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet. A
slight chance of thunderstorms. Showers, mainly in the evening.
.FRIDAY...Southeast winds 10 to 15 knots, becoming south in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Showers likely.
A chance of thunderstorms. Visibility 1 NM or less.
.FRIDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots,
becoming northwest 15 to 20 knots with gusts up to 30 knots after
midnight. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance
of showers and thunderstorms in the evening.
.SATURDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Seas 4 to 6 feet, occasionally to 8 feet.
.SATURDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 3 feet,
building to 3 to 5 feet, occasionally to 6 feet after midnight.
.MONDAY...Southeast winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet.
.MONDAY NIGHT...Southeast winds 20 to 25 knots. Seas 6 to 9 feet,
occasionally to 11 feet. A chance of showers with a slight chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-220315-
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-
952 AM CDT Thu Mar 21 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 PM THIS AFTERNOON
TO 7 PM CDT THIS EVENING...

.REST OF TODAY...East winds 10 to 15 knots. Seas 1 to 2 feet,
building to 2 to 3 feet this afternoon. A chance of showers with a
slight chance of thunderstorms early this afternoon. Showers with a
slight chance of thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to 30 knots.
Seas 2 to 4 feet, occasionally to 5 feet. A chance of thunderstorms.
Showers, mainly in the evening.
.FRIDAY...South winds 10 to 15 knots, becoming southwest in the
afternoon. Seas 2 to 4 feet, occasionally to 5 feet. A chance of
showers and thunderstorms. Visibility 1 NM or less in the morning.
.FRIDAY NIGHT...West winds 15 to 20 knots with gusts up to 25 knots,
becoming northwest 20 to 25 knots with gusts up to 35 knots after
midnight. Seas 2 to 4 feet, occasionally to 5 feet.
.SATURDAY...North winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Gusts up to 35 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
.SATURDAY NIGHT...North winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 4 feet, occasionally to 5 feet.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 3 feet,
building to 3 to 5 feet, occasionally to 6 feet after midnight.
.MONDAY...Southeast winds around 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers and thunderstorms
in the afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A chance of showers. A slight chance of
thunderstorms in the evening, then a chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-220315-
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-
952 AM CDT Thu Mar 21 2024

.REST OF TODAY...East winds 5 to 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to 30 knots.
Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet
after midnight. A chance of thunderstorms. Showers, mainly in the
evening.
.FRIDAY...Southeast winds around 15 knots, becoming southwest in the
afternoon. Gusts up to 25 knots. Seas 3 to 4 feet, occasionally to
5 feet. Showers likely. A chance of thunderstorms. Visibility 1 NM
or less.
.FRIDAY NIGHT...West winds 15 to 20 knots with gusts up to 30 knots.
Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers and
thunderstorms, mainly in the evening.
.SATURDAY...North winds 20 to 25 knots with gusts up to 35 knots.
Seas 6 to 8 feet, occasionally to 10 feet.
.SATURDAY NIGHT...North winds 15 to 20 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 3 feet,
building to 4 to 6 feet, occasionally to 8 feet after midnight.
.MONDAY...Southeast winds 20 to 25 knots. Seas 6 to 7 feet,
occasionally to 9 feet, building to 8 to 9 feet, occasionally to
11 feet in the afternoon.
.MONDAY NIGHT...Southeast winds around 25 knots, becoming south
after midnight. Seas 8 to 9 feet, occasionally to 11 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.

$$

GMZ570-572-220315-
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-
952 AM CDT Thu Mar 21 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 1 PM THIS AFTERNOON
TO 7 PM CDT THIS EVENING...

.REST OF TODAY...East winds 10 to 15 knots, increasing to 15 to
20 knots this afternoon. Seas 2 to 4 feet, occasionally to 5 feet. A
slight chance of showers late this morning. A chance of showers with
a slight chance of thunderstorms early this afternoon, then showers
with a chance of thunderstorms late.
.TONIGHT...Southeast winds 15 to 20 knots with gusts up to 30 knots.
Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 6 feet,
occasionally to 8 feet after midnight. A chance of thunderstorms.
Showers, mainly in the evening.
.FRIDAY...South winds around 15 knots, becoming west in the
afternoon. Gusts up to 25 knots. Seas around 4 feet, occasionally to
5 feet. A chance of showers and thunderstorms in the morning, then a
chance of thunderstorms with a slight chance of showers in the
afternoon. Visibility 1 NM or less.
.FRIDAY NIGHT...West winds 15 to 20 knots, becoming northwest 20 to
25 knots after midnight. Seas around 4 feet, occasionally to 5 feet,
building to 5 to 6 feet, occasionally to 8 feet after midnight.
.SATURDAY...North winds 20 to 25 knots with gusts up to 35 knots.
Seas 5 to 7 feet, occasionally to 9 feet.
.SATURDAY NIGHT...North winds 15 to 20 knots, becoming northeast
10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 3 to 4 feet, occasionally to 5 feet after
midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally
to 5 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet,
building to 5 to 6 feet, occasionally to 8 feet after midnight.
.MONDAY...Southeast winds 20 to 25 knots. Seas 7 to 8 feet,
occasionally to 10 feet. A slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 20 to 25 knots, becoming south 15 to
20 knots after midnight. Seas 7 to 8 feet, occasionally to 10 feet.
A chance of showers. A slight chance of thunderstorms in the
evening, then a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

PG


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