NWS Marine Forecast


   ANZ237-042100-  Block Island Sound-  403 AM EDT Sat Oct 4 2025    TODAY  W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft  at 4 seconds and SE 2 ft at 11 seconds.  TONIGHT  W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W  2 ft at 3 seconds and SE 2 ft at 12 seconds.  SUN  NE winds around 5 kt, becoming S in the afternoon. Seas  around 2 ft. Wave Detail: SE 2 ft at 12 seconds and SW 1 foot at  4 seconds.  SUN NIGHT  SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:  SE 2 ft at 14 seconds and SW 1 foot at 4 seconds.  MON AND MON NIGHT  SW winds 10 to 15 kt. Seas around 2 ft. Wave  Detail: SW 2 ft at 3 seconds and SE 2 ft at 12 seconds.  TUE  SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to  3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at  10 seconds.  TUE NIGHT THROUGH WED NIGHT  N winds 15 to 20 kt with gusts up  to 25 kt. Seas 2 to 4 ft. Showers. Vsby 1 to 3 NM.    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.    $$