NWS Marine Forecast


   GMZ400-150600-  1243 PM CDT Mon Jul 14 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 Wednesday. The forecast  through the second half of the week will be highly dependent on  the potential tropical development in the eastern gulf. Regardless  of development, much higher precipitation chances and increasing  winds and seas are expected Thursday through the end of the week.    $$
   GMZ455-150600-  Coastal waters from Lower Atchafalaya River to Intracoastal City  LA out 20 NM-  1243 PM CDT Mon Jul 14 2025    TONIGHT  Southwest winds around 5 knots. Seas 1 foot or less.  Wave Detail: Southwest 1 foot at 2 seconds. A slight chance of  showers and thunderstorms early this evening.  TUESDAY  West winds around 5 knots. Seas 1 foot or less. Wave  Detail: Southwest 1 foot at 4 seconds. A chance of showers and  thunderstorms, mainly in the morning.  TUESDAY NIGHT  West winds around 5 knots. Seas 1 foot or less.  Wave Detail: Southwest 1 foot at 3 seconds.  WEDNESDAY  Northwest winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: West 1 foot at 3 seconds. A chance of showers and  thunderstorms.  WEDNESDAY NIGHT  West winds around 5 knots. Seas 1 foot or  less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance  of showers and thunderstorms in the evening, then a chance of  showers and thunderstorms after midnight.  THURSDAY  Northwest winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: West 1 foot at 3 seconds. Showers with thunderstorms  likely in the morning, then showers with a chance of  thunderstorms in the afternoon.  THURSDAY NIGHT  Southwest winds 5 to 10 knots. Seas 1 foot or  less. A chance of thunderstorms. A chance of showers in the  evening, then showers after midnight.  FRIDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less. A  chance of thunderstorms. Showers.  FRIDAY NIGHT  Southwest winds 5 to 10 knots. Seas 1 foot or  less. A slight chance of showers and thunderstorms in the  evening, then a chance of showers and thunderstorms after  midnight.  SATURDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less. A  chance of thunderstorms. Showers likely, mainly in the morning.  SATURDAY NIGHT  South winds around 5 knots. Seas 1 foot or  less. A chance of showers and thunderstorms after midnight.    Winds and seas higher in and near thunderstorms.    $$