NWS Marine Forecast


   GMZ500-GMZ501-202300-  537 AM CDT Thu Aug 20 2026      .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...    Surface high pressure centered over the central Gulf will maintain a  generally weak pressure gradient through much of the period. A  predominantly westerly flow will continue, with higher winds during  the early morning and late night hours. Isolated thunderstorms will  remain possible with winds and waves higher in and near this  activity, particularly during the overnight and early morning hours.    $$
   GMZ534-202300-  Lake Borgne-  537 AM CDT Thu Aug 20 2026    TODAY  West winds 10 to 15 knots, diminishing to 5 to 10 knots  late this morning and early afternoon, then becoming southwest late.  Waves around 2 feet this morning, then 1 foot or less.  TONIGHT  Southwest winds 5 to 10 knots, becoming west after  midnight. Waves around 2 feet.  FRIDAY  West winds 5 to 10 knots. Waves around 2 feet in the  morning, then 1 foot or less. A slight chance of showers and  thunderstorms in the afternoon.  FRIDAY NIGHT  West winds 5 to 10 knots. Waves around 2 feet. A  slight chance of showers and thunderstorms.  SATURDAY  Northwest winds 5 to 10 knots, becoming west in the  afternoon. Waves around 2 feet in the morning, then 1 foot or less.  SATURDAY NIGHT  Southwest winds 5 to 10 knots, becoming west after  midnight. Waves around 2 feet.  SUNDAY  Northwest winds 5 to 10 knots, becoming southeast in the  afternoon. Waves 1 foot or less.  SUNDAY NIGHT  South winds 5 to 10 knots, becoming west after  midnight. Waves 1 foot or less. A slight chance of showers and  thunderstorms after midnight.  MONDAY  Northwest winds 5 to 10 knots, becoming southeast in the  afternoon. Waves 1 foot or less. A slight chance of showers and  thunderstorms in the morning, then a chance of showers and  thunderstorms in the afternoon.  MONDAY NIGHT  South winds around 5 knots. Waves 1 foot or less. A  slight chance of showers and thunderstorms in the evening.    Winds and waves higher in and near thunderstorms.    $$