Louisiana Coastal Marine Forecast
Expires:202604172000;;508669 FZUS54 KLIX 170701 CWFLIX Coastal Waters Forecast National Weather Service New Orleans LA 201 AM CDT Fri Apr 17 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. GMZ570-172000- Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM- 201 AM CDT Fri Apr 17 2026 .REST OF TONIGHT...Southeast winds around 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming west 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 6 to 7 feet, occasionally to 9 feet in the afternoon. Wave Detail: Southeast 5 feet at 5 seconds and north 3 feet at 4 seconds, becoming northeast 7 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds around 25 knots with gusts up to 30 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at 7 seconds. .MONDAY...East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 8 feet at 7 seconds. .MONDAY NIGHT...East winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. .TUESDAY...East winds around 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. A slight chance of thunderstorms. A slight chance of showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ Expires:202604172100;;511432 FZUS54 KLCH 170809 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 308 AM CDT Fri Apr 17 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. GMZ470-172100- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 308 AM CDT Fri Apr 17 2026 .TODAY...Southeast winds around 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...South winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Seas around 2 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave Detail: South 2 feet at 6 seconds, becoming north 4 feet at 4 seconds and southeast 3 feet at 6 seconds. A chance of showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. .SUNDAY...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 7 seconds and south 2 feet at 6 seconds. A chance of showers in the morning. .SUNDAY NIGHT...Northeast winds around 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 6 seconds. .MONDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers. .TUESDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. A chance of showers. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. A chance of showers, mainly in the evening. Winds and seas higher in and near thunderstorms. $$