NWS Marine Forecast


   GMZ400-140700-  101 PM CDT Sun Jul 13 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 late next week. Daily  scattered showers and thunderstorms will continue over the coastal  waters through Monday with lower rain chances Tuesday and  Wednesday as upper level ridging builds across the northern gulf.    $$
   GMZ436-140700-  Atchafalaya and East Cote Blanche Bays-  101 PM CDT Sun Jul 13 2025    TONIGHT  South winds around 5 knots. Bay waters smooth. A  slight chance of showers and thunderstorms early this evening. A  slight chance of showers and thunderstorms late.  MONDAY  Southwest winds around 5 knots. Bay waters smooth. A  chance of showers and thunderstorms in the morning, then showers  and thunderstorms likely in the afternoon.  MONDAY NIGHT  Southwest winds around 5 knots. Bay waters  smooth. A chance of showers and thunderstorms in the evening.  TUESDAY  Northwest winds around 5 knots, becoming southwest in  the afternoon. Bay waters smooth. A chance of showers and  thunderstorms.  TUESDAY NIGHT  West winds around 5 knots. Bay waters smooth.  WEDNESDAY  Northwest winds around 5 knots. Bay waters smooth. A  chance of showers and thunderstorms.  WEDNESDAY NIGHT  South winds around 5 knots, becoming west  after midnight. Bay waters smooth. A slight chance of showers and  thunderstorms in the evening, then a chance of showers and  thunderstorms after midnight.  THURSDAY  North winds around 5 knots, becoming west in the  afternoon. Bay waters smooth. Showers likely with a chance of  thunderstorms in the morning, then showers with thunderstorms  likely in the afternoon.  THURSDAY NIGHT  Southwest winds around 5 knots. Bay waters  smooth. A chance of thunderstorms. A chance of showers in the  evening, then showers likely after midnight.  FRIDAY  Southwest winds around 5 knots. Bay waters smooth.  Showers. A chance of thunderstorms in the morning, then  thunderstorms likely in the afternoon.  FRIDAY NIGHT  South winds around 5 knots. Bay waters smooth. A  slight chance of thunderstorms. A chance of showers.    Winds and waves higher in and near thunderstorms.    $$