Louisiana Coastal Marine Forecast

Expires:202504190900;;048342
FZUS54 KLIX 182031
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
331 PM CDT Fri Apr 18 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. 


GMZ570-572-190900-
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-
331 PM CDT Fri Apr 18 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM LATE TONIGHT THROUGH 
SATURDAY EVENING...

.TONIGHT...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots late. Seas 3 to 5 feet, occasionally to 6 feet. Wave
Detail: Southeast 5 feet at 6 seconds. 
.SATURDAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 6 feet at 7 seconds. 
.SATURDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas around 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 6 feet at 8 seconds and south 2 feet at 8 seconds. 
.SUNDAY...Southeast winds 15 to 20 knots. Gusts up to 30 knots in
the morning. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 6 feet at 8 seconds and south 2 feet at 8 seconds. 
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 6 feet at 9 seconds and south 2 feet at 7 seconds. A
slight chance of showers and thunderstorms after midnight. 
.MONDAY...Southeast winds around 10 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at 9 seconds
and south 2 feet at 7 seconds. A chance of showers with a slight
chance of thunderstorms. 
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at 8 seconds
and south 2 feet at 7 seconds. A slight chance of showers and
thunderstorms. 
.TUESDAY...Southeast winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at 8 seconds
and south 2 feet at 7 seconds. A slight chance of thunderstorms. A
chance of showers, mainly in the morning. 
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 4 feet at 7 seconds. 
.WEDNESDAY...Southeast 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 in the morning. 
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. 

Winds and seas higher in and near thunderstorms.

$$

Expires:202504190830;;044987
FZUS54 KLCH 181926
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
226 PM CDT Fri Apr 18 2025

Coastal waters from the Lower Atchafalaya River LA to High 
Island TX out 60 nautical miles including Sabine and 
Calcasieu Lakes and Vermilion and Cote Blanche Bays

Seas are provided as a range of the average height of the
highest one third of the waves, along with the occasional 
height of the average highest ten percent of the waves.


GMZ470-190830-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
226 PM CDT Fri Apr 18 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 1 AM CDT
SATURDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT SATURDAY THROUGH
SUNDAY MORNING...

.TONIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 6 feet at
7 seconds. Patchy fog. 
.SATURDAY...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Southeast 6 feet at 7 seconds. Patchy fog in the morning. 
.SATURDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Southeast 6 feet at 8 seconds. 
.SUNDAY...Southeast winds 15 to 20 knots. Gusts up to 30 knots in
the morning. Seas 5 to 7 feet, occasionally to 9 feet. Wave
Detail: Southeast 6 feet at 8 seconds. A slight chance of showers
in the afternoon. 
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of showers with a slight chance of
thunderstorms after midnight. 
.MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 4 feet at
8 seconds. A slight chance of thunderstorms. A chance of showers,
mainly in the morning. 
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. 
.TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A
chance of showers. A chance of thunderstorms, mainly in the
morning. 
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet. A slight chance of showers and thunderstorms after
midnight. 
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms. 
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms. 

Winds and seas higher in and near thunderstorms.

$$