NWS Marine Forecast


   GMZ400-031800-  1206 AM CDT Wed Sep 3 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...      Waves are between 2 and 4 feet across the region, with higher  waves to the east. Winds will remain below 15 knots through the  week and from the east to northeast.    $$
   GMZ436-031800-  Atchafalaya and East Cote Blanche Bays-  1206 AM CDT Wed Sep 3 2025    TODAY  Northeast winds around 5 knots, becoming southeast this  afternoon. Bay waters smooth.  TONIGHT  South winds around 5 knots. Bay waters smooth.  THURSDAY  North winds around 5 knots, becoming southwest around  5 knots in the afternoon. Bay waters smooth.  THURSDAY NIGHT  South winds around 5 knots. Bay waters smooth.  FRIDAY  South winds around 5 knots. Bay waters smooth.  FRIDAY NIGHT  South winds around 5 knots. Bay waters smooth.  SATURDAY  Southeast winds around 5 knots. Bay waters smooth. A  slight chance of showers and thunderstorms in the afternoon.  SATURDAY NIGHT  Southeast winds around 5 knots. Bay waters  smooth. A slight chance of showers and thunderstorms early in the  evening.  SUNDAY  East winds around 5 knots, becoming southeast around  5 knots in the afternoon. Bay waters smooth. A slight chance of  showers and thunderstorms in the morning, then a chance of  showers and thunderstorms in the afternoon.  SUNDAY NIGHT  Southeast winds around 5 knots, becoming east  after midnight. Bay waters light chop. A chance of showers and  thunderstorms early in the evening, then a slight chance of  showers and thunderstorms in the late evening and overnight.    Winds and waves higher in and near thunderstorms.    $$