NWS Marine Forecast


   GMZ400-151800-  1253 AM 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. 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/weekend.    $$
   GMZ450-151800-  Coastal waters from Cameron LA to High Island TX out 20 NM-  1253 AM CDT Tue Jul 15 2025    TODAY  South winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: South 2 feet at 5 seconds. A slight chance of showers and  thunderstorms until late afternoon.  TONIGHT  Southwest winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: South 2 feet at 5 seconds.  WEDNESDAY  Southwest winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: South 1 foot at 5 seconds.  WEDNESDAY NIGHT  Southwest winds around 10 knots. Seas around  2 feet. Wave Detail: South 1 foot at 5 seconds. A slight chance  of showers after midnight.  THURSDAY  West winds 5 to 10 knots, becoming southwest in the  afternoon. Seas around 2 feet. Wave Detail: South 1 foot at  5 seconds. A chance of showers and thunderstorms.  THURSDAY NIGHT  Southwest winds around 10 knots. Seas around  2 feet. Wave Detail: South 1 foot at 4 seconds. A chance of  showers with a slight chance of thunderstorms in the evening,  then showers likely with a chance of thunderstorms after  midnight.  FRIDAY  Southwest winds around 10 knots. Seas around 2 feet. A  chance of thunderstorms. Showers.  FRIDAY NIGHT  Southwest winds 10 to 15 knots. Seas around  2 feet. A chance of showers. A slight chance of thunderstorms in  the evening, then a chance of thunderstorms after midnight.  SATURDAY  Southwest winds around 10 knots. Seas around 2 feet.  A chance of thunderstorms. Showers likely, mainly in the morning.  SATURDAY NIGHT  South winds around 10 knots. Seas 2 to 3 feet.  A slight chance of showers and thunderstorms after midnight.    Winds and seas higher in and near thunderstorms.    $$