NWS Marine Forecast


   GMZ400-242100-  308 AM CDT Mon Aug 24 2026    .Synopsis for Lower Atchafalaya River LA to High Island TX out  60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote  Blanche Bays...    Light onshore winds will persist through the week with seas  ranging from 1-2 feet. Precipitation chances return across the  coastal waters Thursday into next weekend as higher moisture and a  weak upper level trough move into the region.    $$
   GMZ452-242100-  Coastal waters from Intracoastal City to Cameron LA out 20 NM-  308 AM CDT Mon Aug 24 2026    TODAY  Southwest winds 10 to 15 knots, diminishing to 5 to  10 knots this afternoon. Seas around 2 feet. Wave Detail:  Southwest 2 feet at 4 seconds. A slight chance of showers and  thunderstorms this afternoon.  TONIGHT  South winds 10 to 15 knots. Seas around 2 feet. Wave  Detail: Southwest 2 feet at 4 seconds. A slight chance of showers  and thunderstorms in the evening.  TUESDAY  West winds 5 to 10 knots. Seas around 2 feet in the  morning, then 1 foot or less. Wave Detail: Southwest 2 feet at  4 seconds, becoming southwest 1 foot at 4 seconds. A chance of  showers and thunderstorms in the afternoon.  TUESDAY NIGHT  Southwest winds 5 to 10 knots. Seas around  2 feet. Wave Detail: Southwest 2 feet at 4 seconds.  WEDNESDAY  West winds 5 to 10 knots. Seas around 2 feet in the  morning, then 1 foot or less. Wave Detail: Southwest 2 feet at  4 seconds, becoming southwest 1 foot at 4 seconds. A chance of  showers and thunderstorms, mainly in the morning.  WEDNESDAY NIGHT  Southwest winds 10 to 15 knots. Seas around  2 feet. Wave Detail: Southwest 2 feet at 4 seconds. A slight  chance of showers and thunderstorms after midnight.  THURSDAY  Southwest winds 5 to 10 knots. Seas around 2 feet. A  chance of showers and thunderstorms.  THURSDAY NIGHT  Southwest winds 5 to 10 knots. Seas around  2 feet. A slight chance of showers and thunderstorms in the  evening, then a chance of showers and thunderstorms after  midnight.  FRIDAY  West winds around 5 knots. Seas 1 foot or less. A  chance of thunderstorms. A chance of showers.  FRIDAY NIGHT  South winds 5 to 10 knots. Seas 1 foot or less. A  slight chance of showers and thunderstorms in the evening, then a  chance of showers and thunderstorms after midnight.    Winds and seas higher in and near thunderstorms.    $$