NWS Marine Forecast


   GMZ500-GMZ501-121515-  950 PM CDT Sun May 11 2025      .SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...    Cutoff upper level low is still centered just northeast of the local  area. A surface low is underneath that upper low over northern MS  with frontal boundary now well into the eastern Gulf. Thus, westerly  winds in most coastal waters to persist through mid week as the low  shifts east and surface ridge center slides across the center of the  Gulf. Once that high pressure reaches the eastern Gulf, should start  to see more onshore flow to resume and persist. Wind speeds  throughout the forecast period will vary but generally be around 10  to 15 knots with short term periods of 15 to 20 knots.    $$
   GMZ550-552-121515-  Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA  out 20 nm-  Coastal waters from the Southwest Pass of the Mississippi River to  Port Fourchon Louisiana out 20 NM-  950 PM CDT Sun May 11 2025    REST OF TONIGHT  West winds 10 to 15 knots. Seas 1 to 2 feet,  building to 2 to 3 feet. Wave Detail: West 2 feet at 3 seconds and  southeast 2 feet at 6 seconds, becoming southwest 2 feet at  4 seconds and southeast 1 foot at 6 seconds. A chance of showers  late this evening. A slight chance of showers, then a chance of  showers with a slight chance of thunderstorms late.  MONDAY  West winds 10 to 15 knots with gusts up to 20 knots. Seas  2 to 3 feet. Wave Detail: Southwest 3 feet at 5 seconds and  southeast 1 foot at 6 seconds. A slight chance of thunderstorms. A  chance of showers, mainly in the morning.  MONDAY NIGHT  West winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: West 3 feet at 5 seconds.  TUESDAY  Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southwest 2 feet at 5 seconds.  TUESDAY NIGHT  Southwest winds 10 to 15 knots, increasing to 15 to  20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southwest  3 feet at 5 seconds.  WEDNESDAY  South winds 15 to 20 knots. Seas 2 to 3 feet. Wave  Detail: Southwest 3 feet at 5 seconds.  WEDNESDAY NIGHT  South winds 15 to 20 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Southwest 4 feet at 5 seconds.  THURSDAY  South winds 15 to 20 knots, diminishing to 10 to  15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet.  Wave Detail: Southwest 4 feet at 6 seconds.  THURSDAY NIGHT  South winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: South 3 feet at 6 seconds.  FRIDAY  South winds 10 to 15 knots, diminishing to 5 to 10 knots  in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at  5 seconds.  FRIDAY NIGHT  South winds around 10 knots. Seas 1 to 2 feet.    Winds and seas higher in and near thunderstorms.    $$