NWS Marine Forecast


   GMZ550-552-270930-  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-  347 PM CDT Wed Mar 26 2025    TONIGHT  Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: Southeast 2 feet at 5 seconds.  THURSDAY  East winds 5 to 10 knots, increasing to 10 to 15 knots  with gusts up to 20 knots in the afternoon. Seas 1 to 2 feet,  building to 2 to 3 feet in the afternoon. Wave Detail: Southeast  2 feet at 5 seconds, becoming east 2 feet at 3 seconds.  THURSDAY NIGHT  Southeast winds 10 to 15 knots with gusts up to  20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:  Southeast 4 feet at 6 seconds.  FRIDAY  Southeast winds 15 to 20 knots with gusts up to 25 knots.  Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast  4 feet at 6 seconds. A chance of showers in the afternoon.  FRIDAY NIGHT  Southeast winds 15 to 20 knots with gusts up to  25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:  Southeast 5 feet at 6 seconds. A slight chance of thunderstorms. A  chance of showers.  SATURDAY  Southeast winds 10 to 15 knots with gusts up to  20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:  Southeast 5 feet at 7 seconds. A chance of thunderstorms. A chance  of showers in the morning, then showers likely in the afternoon.  SATURDAY NIGHT  South winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Showers likely with a chance of  thunderstorms in the evening.  SUNDAY  South winds around 10 knots. Seas 2 to 4 feet,  occasionally to 5 feet.  SUNDAY NIGHT  South winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet.  MONDAY  Southwest winds 5 to 10 knots. Seas around 2 feet. A  chance of showers and thunderstorms, mainly in the morning.  MONDAY NIGHT  Southwest winds 5 to 10 knots, becoming north after  midnight. Seas around 2 feet.    Winds and seas higher in and near thunderstorms.    $$