NWS Marine Forecast


   GMZ500-GMZ501-192300-  457 AM CST Wed Nov 19 2025      .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...    Surface high pressure will slide a little farther east allowing  southerly flow to increase a touch Thursday and Friday ahead of a  weak front that will likely not even reach the coast on Saturday.  This would keep light onshore flow over the region heading into next  week. Winds through the forecast should remain below adv criteria  with the main concerns being scattered showers and a few  thunderstorms late Friday and throughout the weekend.    $$
   GMZ550-552-192300-  Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA  out 20 nm-  Coastal waters from the Southwest Pass of the Mississippi River to  Port Fourchon Louisiana out 20 NM-  457 AM CST Wed Nov 19 2025    TODAY  East winds 5 to 10 knots. Seas 1 to 2 feet this morning,  then 1 foot or less. Wave Detail: South 1 foot at 4 seconds,  becoming southeast 1 foot at 4 seconds. Patchy dense fog early this  morning.  TONIGHT  Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: Southeast 2 feet at 5 seconds.  THURSDAY  Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: Southeast 2 feet at 5 seconds.  THURSDAY NIGHT  Southeast winds 10 to 15 knots with gusts up to  20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:  Southeast 4 feet at 6 seconds. A chance of showers. A slight chance  of thunderstorms after midnight.  FRIDAY  South winds 10 to 15 knots with gusts up to 20 knots. Seas  2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet  at 6 seconds. A chance of showers. A slight chance of thunderstorms  in the morning, then a chance of thunderstorms in the afternoon.  FRIDAY NIGHT  South winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: South 2 feet at 6 seconds. A slight chance of showers in the  evening.  SATURDAY  South winds around 5 knots. Seas around 2 feet. Wave  Detail: South 2 feet at 6 seconds. A slight chance of showers in the  morning.  SATURDAY NIGHT  South winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: South 2 feet at 6 seconds.  SUNDAY  East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:  South 2 feet at 6 seconds.  SUNDAY NIGHT  Southeast winds 5 to 10 knots. Seas 1 to 2 feet.  Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of  showers after midnight.    Winds and seas higher in and near thunderstorms.    $$