NWS Marine Forecast


   GMZ400-190600-  1249 PM CDT Fri Jul 18 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...    Outside of thunderstorms winds will remain light and onshore.  High pressure is expected to remain over the northeast gulf and  southeast states.    $$
   GMZ455-190600-  Coastal waters from Lower Atchafalaya River to Intracoastal City  LA out 20 NM-  1249 PM CDT Fri Jul 18 2025    TONIGHT  South winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: Southwest 1 foot at 3 seconds. A chance of showers and  thunderstorms late.  SATURDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: Southwest 1 foot at 3 seconds. A chance of showers  and thunderstorms.  SATURDAY NIGHT  South winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of  showers and thunderstorms.  SUNDAY  South winds around 5 knots. Seas 1 foot or less. Wave  Detail: South 1 foot at 2 seconds. A chance of showers and  thunderstorms, mainly in the morning.  SUNDAY NIGHT  South winds around 5 knots. Seas 1 foot or less.  A slight chance of showers and thunderstorms after midnight.  MONDAY  Southwest winds around 5 knots. Seas 1 foot or less.  Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of  showers and thunderstorms.  MONDAY NIGHT  Southwest winds around 5 knots. Seas 1 foot or  less.  TUESDAY  Southwest winds around 5 knots. Seas 1 foot or less. A  slight chance of showers and thunderstorms.  TUESDAY NIGHT  Southwest winds around 5 knots. Seas 1 foot or  less. A slight chance of showers and thunderstorms after  midnight.  WEDNESDAY  Northwest winds around 5 knots. Seas 1 foot or less.  A chance of showers and thunderstorms.  WEDNESDAY NIGHT  West winds around 5 knots. Seas 1 foot or  less. A slight chance of showers and thunderstorms in the  evening, then a chance of showers and thunderstorms after  midnight.    Winds and seas higher in and near thunderstorms.    $$