NWS Marine Forecast


   GMZ570-080800-  Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya  River LA from 20 to 60 NM-  201 PM CDT Mon Sep 7 2026    THIS AFTERNOON  Northwest winds 5 to 10 knots. Seas 1 foot or  less. Wave Detail: Northwest 1 foot at 3 seconds. A slight chance of  showers and thunderstorms.  TONIGHT  West winds around 5 knots, becoming north after midnight.  Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A slight  chance of showers and thunderstorms after midnight.  TUESDAY  East winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: North 1 foot at 3 seconds. A chance of showers and  thunderstorms.  TUESDAY NIGHT  East winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: East 1 foot at 3 seconds. A chance of showers and  thunderstorms.  WEDNESDAY  East winds 5 to 10 knots. Seas around 2 feet in the  morning, then 1 foot or less. Wave Detail: East 1 foot at 4 seconds.  Showers likely with a chance of thunderstorms.  WEDNESDAY NIGHT  East winds 5 to 10 knots, becoming south after  midnight. Seas 1 foot or less, then around 2 feet after midnight.  Wave Detail: Southeast 1 foot at 5 seconds, becoming southeast  1 foot at 4 seconds. A slight chance of showers in the evening, then  a chance of showers with a slight chance of thunderstorms after  midnight.  THURSDAY  Southwest winds around 5 knots. Seas 1 foot or less.  Wave Detail: Southeast 1 foot at 5 seconds. A chance of  thunderstorms. Showers likely, mainly in the morning.  THURSDAY NIGHT  South winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: Southeast 1 foot at 5 seconds. A chance of showers with  a slight chance of thunderstorms after midnight.  FRIDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: Southwest 1 foot at 3 seconds and southeast 1 foot at  5 seconds. A chance of thunderstorms. Showers likely, mainly in the  morning.  FRIDAY NIGHT  South winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: Southwest 1 foot at 3 seconds and southeast 1 foot at  4 seconds. A chance of showers and thunderstorms after midnight.    Winds and seas higher in and near thunderstorms.    $$