NWS Marine Forecast


   GMZ554-012300-  Coastal Waters from Boothville LA to Southwest Pass of the  Mississippi River out 20 nm-  531 AM CDT Thu Oct 1 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS  MORNING    TODAY  Southeast winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds.  A chance of showers. A slight chance of thunderstorms late this  morning. A chance of thunderstorms this afternoon.  TONIGHT  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. A slight chance of showers and thunderstorms in  the evening, then a chance of showers and thunderstorms after  midnight.  FRIDAY  Southeast winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.  A chance of showers and thunderstorms.  FRIDAY NIGHT  Southeast winds around 10 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds.  A chance of thunderstorms. A chance of showers in the evening, then  showers after midnight.  SATURDAY  Southeast winds around 10 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.  Showers with a chance of thunderstorms.  SATURDAY NIGHT  Southeast winds around 10 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 3 feet at 7 seconds. Showers with a chance of  thunderstorms.  SUNDAY  South winds around 10 knots, becoming southwest in the  afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at  7 seconds. Showers with a chance of thunderstorms.  SUNDAY NIGHT  Northeast winds 5 to 10 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 3 feet at 6 seconds. A chance of  thunderstorms. Showers.  MONDAY  Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 3 feet at 6 seconds and northeast 1 foot at  4 seconds. Showers with a chance of thunderstorms.  MONDAY NIGHT  Northeast winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds.  Showers likely. A slight chance of thunderstorms in the evening,  then a chance of thunderstorms after midnight.    Winds and seas higher in and near thunderstorms.    $$