NWS Marine Forecast


   GMZ575-212300-  Coastal Waters from Stake Island LA to Southwest Pass of the  Mississippi River from 20 to 60 nm-  535 AM CDT Tue Apr 21 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING    TODAY  East winds 15 to 20 knots with gusts up to 25 knots. Seas  5 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at  7 seconds and northwest 1 foot at 4 seconds.  TONIGHT  Southeast winds around 15 knots with gusts up to  20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:  East 5 feet at 7 seconds.  WEDNESDAY  Southeast winds around 15 knots with gusts up to  20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:  Southeast 5 feet at 7 seconds. A chance of showers. A slight chance  of thunderstorms in the afternoon.  WEDNESDAY NIGHT  Southeast winds 10 to 15 knots with gusts up to  20 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail:  Southeast 5 feet at 8 seconds. A slight chance of showers.  THURSDAY  Southeast winds 10 to 15 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds.  A slight chance of showers. A slight chance of thunderstorms in the  afternoon.  THURSDAY NIGHT  Southeast winds around 15 knots with gusts up to  20 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail:  Southeast 4 feet at 7 seconds. A slight chance of showers after  midnight.  FRIDAY  Southeast winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds.  A slight chance of showers. A slight chance of thunderstorms in the  afternoon.  FRIDAY NIGHT  Southeast winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 3 feet at 7 seconds.  SATURDAY  South winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: Southeast 2 feet at 6 seconds. A slight chance of showers  and thunderstorms.  SATURDAY NIGHT  South winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: South 2 feet at 5 seconds. A slight chance of showers.    Winds and seas higher in and near thunderstorms.    $$