NWS Marine Forecast


   GMZ500-GMZ501-201100-  537 PM 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.    $$
   GMZ534-201100-  Lake Borgne-  537 PM CDT Sat Sep 19 2026    TONIGHT  South winds around 5 knots, becoming west around 5 knots  late. Waves 1 foot or less.  SUNDAY  North winds around 5 knots, becoming south in the  afternoon. Waves 1 foot or less.  SUNDAY NIGHT  South winds around 5 knots, becoming southwest after  midnight. Waves 1 foot or less.  MONDAY  Northwest winds around 5 knots, becoming east around  5 knots in the afternoon. Waves 1 foot or less. A slight chance of  showers and thunderstorms in the afternoon.  MONDAY NIGHT  South winds around 5 knots. Waves 1 foot or less.  TUESDAY  North winds around 5 knots, becoming east in the  afternoon. Waves 1 foot or less. A slight chance of showers and  thunderstorms in the afternoon.  TUESDAY NIGHT  Southeast winds around 5 knots, becoming west  around 5 knots after midnight. Waves 1 foot or less.  WEDNESDAY  North winds 5 to 10 knots, becoming east in the  afternoon. Waves around 2 feet.  WEDNESDAY NIGHT  East winds around 5 knots, becoming northeast  10 to 15 knots after midnight. Waves 1 foot or less, then around  2 feet after midnight.  THURSDAY  Northeast winds 10 to 15 knots. Waves 2 to 3 feet.  THURSDAY NIGHT  East winds 5 to 10 knots, becoming northeast 10 to  15 knots after midnight. Waves 1 foot or less, then 2 to 3 feet  after midnight.    Winds and waves higher in and near thunderstorms.    $$