NWS Marine Forecast


   GMZ400-282100-  310 AM CDT Mon Sep 28 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...    High pressure over most of the eastern CONUS will keep light to  moderate winds generally east to southeast. Low pressure will move  into the southern plains by mid week with winds and seas increasing  mid to late week. As a result, a Small Craft Advisory could be  likely.    $$
   GMZ436-282100-  Atchafalaya and East Cote Blanche Bays-  310 AM CDT Mon Sep 28 2026    TODAY  North winds around 5 knots, becoming southwest this  afternoon. Bay waters smooth.  TONIGHT  South winds around 5 knots. Bay waters smooth.  TUESDAY  Southeast winds 5 to 10 knots. Bay waters light chop.  TUESDAY NIGHT  Southeast winds 10 to 15 knots. Bay waters  choppy.  WEDNESDAY  Southeast winds 10 to 15 knots. Bay waters choppy. A  chance of showers with a slight chance of thunderstorms in the  afternoon.  WEDNESDAY NIGHT  Southeast winds 10 to 15 knots. Bay waters  choppy. A slight chance of thunderstorms in the evening. A slight  chance of showers.  THURSDAY  Southeast winds 10 to 15 knots. Bay waters choppy. A  chance of showers with a slight chance of thunderstorms in the  morning, then showers likely with a chance of thunderstorms in  the afternoon.  THURSDAY NIGHT  Southeast winds 10 to 15 knots. Bay waters  choppy. A chance of showers with a slight chance of  thunderstorms.  FRIDAY  East winds 10 to 15 knots. Bay waters choppy. A chance  of showers with a slight chance of thunderstorms in the morning,  then showers likely with a chance of thunderstorms in the  afternoon.  FRIDAY NIGHT  East winds 5 to 10 knots. Bay waters light chop.  A slight chance of thunderstorms. A chance of showers in the  evening, then showers likely after midnight.    Winds and waves higher in and near thunderstorms.    $$