NWS Marine Forecast


   GMZ500-GMZ501-192300-  537 AM CDT Sat Sep 19 2026      .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...    A broad surface high centered over the Tennessee Valley encompasses  the southeastern US. This ridge will slightly weaken while tracking  southward, becoming centered across the northern Gulf Coast Sunday.  Local winds will respond to this by weakening and becoming more  onshore. Weaker winds will persist throughout the remainder of the  forecast period as that ridge remains nearby.    $$
   GMZ536-538-162300-  Chandeleur Sound-Breton Sound-  536 AM CDT Thu Apr 16 2026    TODAY  Southeast winds 5 to 10 knots. Waves 1 foot or less, then  around 2 feet this afternoon.  TONIGHT  South winds 5 to 10 knots. Waves around 2 feet in the  evening, then 1 foot or less.  FRIDAY  South winds 5 to 10 knots. Waves 1 foot or less, then  around 2 feet in the afternoon.  FRIDAY NIGHT  South winds around 10 knots. Waves around 2 feet.  SATURDAY  South winds 5 to 10 knots. Waves around 2 feet.  SATURDAY NIGHT  South winds 5 to 10 knots, becoming west 10 to  15 knots with gusts up to 20 knots after midnight. Waves 2 to  4 feet. A slight chance of showers and thunderstorms after midnight.  SUNDAY  North winds 20 to 25 knots. Waves 4 to 5 feet. A slight  chance of showers and thunderstorms in the morning.  SUNDAY NIGHT  Northeast winds 20 to 25 knots. Waves 4 to 5 feet.  MONDAY  Northeast winds 20 to 25 knots, becoming east 15 to  20 knots in the afternoon. Waves 3 to 5 feet.  MONDAY NIGHT  East winds 15 to 20 knots. Waves 3 to 4 feet.    Winds and waves higher in and near thunderstorms.    $$