NWS Marine Forecast


   GMZ400-021800-  1233 AM CDT Thu Oct 2 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...    Modest mainly easterly flow and lower seas will remain through  today. Hereafter, ridging from the Mid-Atlantic area will build  toward the Gulf Coast, allowing winds and seas to steadily  strengthen. Winds/seas will build through Friday and remain elevated  through the weekend, and a small craft advisory will likely be  required. In addition, shower activity will increase tomorrow into  the weekend with an upper level disturbance developing over the  northern Gulf.    $$
   GMZ452-021800-  Coastal waters from Intracoastal City to Cameron LA out 20 NM-  1233 AM CDT Thu Oct 2 2025    TODAY  East winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: East 1 foot at 3 seconds. A slight chance of showers and  thunderstorms early this afternoon. A chance of showers with a  slight chance of thunderstorms late.  TONIGHT  East winds 10 to 15 knots, increasing to 15 to  20 knots after midnight. Seas 1 foot or less, then around 2 feet  after midnight. Wave Detail: East 2 feet at 4 seconds. A chance  of showers and thunderstorms early in the evening, then a slight  chance of showers and thunderstorms in the late evening and  overnight.  FRIDAY  Northeast winds 15 to 20 knots with gusts up to  25 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at  4 seconds. A chance of showers. A slight chance of thunderstorms  early in the morning, then a chance of thunderstorms in the late  morning and afternoon.  FRIDAY NIGHT  East winds 15 to 20 knots. Seas 2 to 4 feet. Wave  Detail: Southeast 3 feet at 5 seconds. A chance of thunderstorms  early in the evening. A chance of showers until early morning. A  slight chance of showers late.  SATURDAY  East winds 15 to 20 knots with gusts up to 25 knots.  Seas 2 to 4 feet. Wave Detail: East 3 feet at 4 seconds. A slight  chance of showers in the morning, then a chance of showers with a  slight chance of thunderstorms in the afternoon.  SATURDAY NIGHT  East winds 15 to 20 knots with gusts up to  25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at  5 seconds. A chance of showers. A slight chance of thunderstorms  late.  SUNDAY  Northeast winds 15 to 20 knots, becoming east 10 to  15 knots in the afternoon. Seas 2 to 3 feet. A slight chance of  thunderstorms. A chance of showers in the morning, then showers  likely in the afternoon.  SUNDAY NIGHT  East winds 10 to 15 knots. Seas around 2 feet.  Showers likely with a slight chance of thunderstorms early in the  evening, then a chance of showers in the late evening and  overnight.  MONDAY  East winds around 10 knots. Seas around 2 feet. A  chance of showers. A slight chance of thunderstorms late.  MONDAY NIGHT  East winds 5 to 10 knots. Seas 1 foot or less. A  chance of showers.    Winds and seas higher in and near thunderstorms.    $$