Expires:202608130900;;075581
FZUS54 KLCH 122009
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
309 PM CDT Wed Aug 12 2026

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.


GMZ475-130900-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
309 PM CDT Wed Aug 12 2026

.TONIGHT...South winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: South
2 feet at 5 seconds. 
.THURSDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. 
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 5 seconds. 
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. 
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. 
.SATURDAY...East winds around 5 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. 
.SATURDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
.SUNDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. 
.SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. 
.MONDAY...West winds around 5 knots. Seas 1 foot or less. 
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. 

$$