Louisiana Coastal Marine Forecast
Expires:202608161100;;256240 FZUS54 KLIX 152236 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 535 PM CDT Sat Aug 15 2026 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. GMZ570-161100- Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM- 535 PM CDT Sat Aug 15 2026 .TONIGHT...South winds 5 to 10 knots, becoming southwest late. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SUNDAY...Northwest winds around 5 knots, becoming northeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds. .MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 6 seconds. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southeast 1 foot at 5 seconds and southeast 1 foot at 9 seconds, becoming southwest 1 foot at 2 seconds and southeast 1 foot at 5 seconds. .TUESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .TUESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 3 seconds and southeast 1 foot at 6 seconds. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Winds and seas higher in and near thunderstorms. $$ Expires:202608160900;;250346 FZUS54 KLCH 152009 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 309 PM CDT Sat Aug 15 2026 Coastal waters from the Lower Atchafalaya River LA to High Island TX out 60 nautical miles including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GMZ470-160900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 309 PM CDT Sat Aug 15 2026 .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .SUNDAY...West winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and south 1 foot at 3 seconds. .MONDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 2 feet at 5 seconds, becoming south 1 foot at 5 seconds. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds and southeast 1 foot at 8 seconds, becoming south 1 foot at 4 seconds and southeast 1 foot at 9 seconds. .TUESDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. .THURSDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. $$