NWS Marine Forecast


   GMZ500-GMZ501-221800-  1127 PM CST Fri Nov 21 2025      .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...    Winds will calm over the weekend to less than 10 knots as a high  pressure system over the eastern Gulf becomes more dominant over the  waters. However, another system will once again push winds and seas  higher on Monday and Tuesday. Southerly flow should increase back  into the 15 to 20 knot range over this period. Another round of  showers and a few thunderstorms will also develop over the waters as  this next storm system moves through. After the frontal passage late  Wednesday , winds will increase out of the north up around 15-20kts  once again. There is a chance of dense fog over some areas Saturday  morning and subsequently a dense fog advisory was issued for the  lakes, sounds, and eastern near waters.    $$
   GMZ550-552-221800-  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-  1127 PM CST Fri Nov 21 2025    REST OF TONIGHT  Southwest winds around 5 knots. Seas 1 to 2 feet.  Wave Detail: South 2 feet at 6 seconds. Patchy dense fog.  SATURDAY  West winds around 5 knots. Seas 1 to 2 feet. Wave  Detail: Southeast 2 feet at 6 seconds. Patchy fog in the morning.  Widespread dense fog in the afternoon.  SATURDAY NIGHT  West winds 5 to 10 knots, becoming north after  midnight. Seas 1 to 2 feet. Wave Detail: West 2 feet at 5 seconds.  Widespread dense fog.  SUNDAY  Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: South 2 feet at 5 seconds and northeast 1 foot at 3 seconds.  SUNDAY NIGHT  East winds 5 to 10 knots. Seas 1 foot or less, then  1 to 2 feet after midnight. Wave Detail: East 1 foot at 2 seconds  and southeast 1 foot at 5 seconds, becoming southeast 1 foot at  4 seconds.  MONDAY  Southeast winds around 10 knots. Seas 1 to 2 feet. Wave  Detail: Southeast 2 feet at 4 seconds.  MONDAY NIGHT  South winds 10 to 15 knots with gusts up to  20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at  4 seconds. A slight chance of showers in the evening, then a chance  of showers with a slight chance of thunderstorms after midnight.  TUESDAY  South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:  South 3 feet at 5 seconds. A chance of showers with a slight chance  of thunderstorms.  TUESDAY NIGHT  South winds 5 to 10 knots, becoming west after  midnight. Seas around 2 feet. Wave Detail: South 2 feet at  6 seconds. A slight chance of showers in the evening, then a chance  of showers with a slight chance of thunderstorms after midnight.  WEDNESDAY  North winds 5 to 10 knots, increasing to 10 to 15 knots  in the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest 3 feet at  6 seconds and north 2 feet at 3 seconds. A chance of showers with a  slight chance of thunderstorms.  WEDNESDAY NIGHT  North winds 15 to 20 knots. Seas 2 to 4 feet,  occasionally to 5 feet. A slight chance of thunderstorms in the  evening. A slight chance of showers.    Winds and seas higher in and near thunderstorms.    $$