NWS Marine Forecast


   ANZ200-271500-  1003 PM EDT Wed Aug 26 2026    .Synopsis for Massachusetts and Rhode Island coastal waters...  High pres remains in control through Thu afternoon with winds  gradually shifting from the SW to the W. A cold front approaches the  waters from the W later Thu, with SW winds possibly increasing to  SCA criteria ahead of this front. Frontal passage leads to high  pres this weekend.    $$
   ANZ256-271500-  Coastal Waters from Montauk NY to Marthas Vineyard extending out  to 20 NM South of Block Island-  1003 PM EDT Wed Aug 26 2026    OVERNIGHT  SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE  3 ft at 9 seconds and SW 2 ft at 5 seconds.  THU  S winds 5 to 10 kt, increasing to 10 to 15 kt in the  afternoon. Gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft  at 4 seconds and SE 3 ft at 9 seconds.  THU NIGHT  S winds 10 to 15 kt, diminishing to 5 to 10 kt after  midnight. Gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: S 3 ft  at 5 seconds and SE 3 ft at 9 seconds. A chance of showers and  tstms after midnight.  FRI  SW winds 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft  at 7 seconds and SE 3 ft at 8 seconds.  FRI NIGHT  W winds 5 to 10 kt, becoming NW 10 to 15 kt with  gusts up to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: S  3 ft at 7 seconds.  SAT AND SAT NIGHT  SW winds 10 to 15 kt with gusts up to 20 kt.  Seas 2 to 4 ft. Wave Detail: SW 3 ft at 7 seconds and NE 3 ft at  8 seconds.  SUN THROUGH MON NIGHT  SW winds 10 to 15 kt with gusts up to  20 kt. Seas 2 to 4 ft.    Winds and seas higher in and near tstms.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$