NWS Marine Forecast


   GMZ400-160600-  1233 PM CDT Tue Jul 15 2025    .Synopsis for Lower Atchafalaya River LA to High Island TX out  60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote  Blanche Bays...    High pressure extending across the northern Gulf will maintain  light onshore winds and low seas through tomorrow. Winds and seas  will increase Thursday through the weekend as a tropical  disturbance moves across the northern gulf. There is a 40%  chance of this disturbance strengthening into a tropical storm.  Regardless of development, gusty winds and widespread rain is  expected Thursday through Saturday.    $$
   GMZ455-160600-  Coastal waters from Lower Atchafalaya River to Intracoastal City  LA out 20 NM-  1233 PM CDT Tue Jul 15 2025    TONIGHT  West winds around 5 knots. Seas 1 foot or less. Wave  Detail: West 1 foot at 3 seconds.  WEDNESDAY  Northwest winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: Northwest 1 foot at 3 seconds. A chance of  thunderstorms. A chance of showers, mainly in the morning.  WEDNESDAY NIGHT  Northwest winds 5 to 10 knots. Seas 1 foot or  less. Wave Detail: West 1 foot at 3 seconds. A chance of showers  and thunderstorms in the evening, then showers and thunderstorms  likely after midnight.  THURSDAY  Northwest winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: Northwest 1 foot at 3 seconds. Showers and  thunderstorms.  THURSDAY NIGHT  Northwest winds 5 to 10 knots, becoming  southwest after midnight. Seas 1 foot or less. Wave Detail: West  1 foot at 3 seconds. Thunderstorms likely. Showers likely in the  evening, then showers after midnight.  FRIDAY  Southwest winds 10 to 15 knots. Seas 1 foot or less.  Wave Detail: Southwest 1 foot at 3 seconds. Showers with  thunderstorms likely in the morning, then showers likely with a  chance of thunderstorms in the afternoon.  FRIDAY NIGHT  Southwest winds around 10 knots. Seas 1 foot or  less. A chance of thunderstorms. A chance of showers in the  evening, then showers likely after midnight.  SATURDAY  Southwest winds 5 to 10 knots. Seas around 2 feet in  the morning, then 1 foot or less. A chance of thunderstorms.  Showers likely, mainly in the morning.  SATURDAY NIGHT  South winds 5 to 10 knots. Seas 1 foot or less.  A chance of showers and thunderstorms after midnight.  SUNDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less. A  chance of showers and thunderstorms.  SUNDAY NIGHT  South winds 5 to 10 knots. Seas 1 foot or less. A  slight chance of showers and thunderstorms after midnight.    Winds and seas higher in and near thunderstorms.    $$