NWS Marine Forecast


   GMZ570-222300-  Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya  River LA from 20 to 60 NM-  536 AM CDT Tue Sep 22 2026    TODAY  Northeast winds 5 to 10 knots, increasing to 10 to 15 knots  late this morning and afternoon. Seas around 2 feet. Wave Detail:  Northeast 2 feet at 4 seconds.  TONIGHT  East winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: East 2 feet at 5 seconds.  WEDNESDAY  Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: East 2 feet at 5 seconds.  WEDNESDAY NIGHT  East winds 10 to 15 knots, diminishing to 5 to  10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet  at 5 seconds.  THURSDAY  Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Northeast 3 feet at 5 seconds.  THURSDAY NIGHT  East winds 10 to 15 knots with gusts up to  20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to  3 feet. Wave Detail: East 3 feet at 5 seconds.  FRIDAY  East winds around 10 knots. Seas 2 to 3 feet. Wave Detail:  East 3 feet at 6 seconds.  FRIDAY NIGHT  East winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.  SATURDAY  East winds around 10 knots. Seas 2 to 3 feet. Wave  Detail: East 3 feet at 7 seconds.  SATURDAY NIGHT  East winds 10 to 15 knots, diminishing to 5 to  10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet  at 6 seconds.    $$