NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ237-031000-  Block Island Sound-  404 PM EST Sun Nov 2 2025    SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH  LATE TUESDAY NIGHT    TONIGHT  W winds 5 to 10 kt, becoming SW after midnight. Seas  around 2 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at  8 seconds.  MON  S winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.  Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and S 1 foot at  8 seconds. Rain likely in the afternoon.  MON NIGHT  SW winds 20 to 25 kt, becoming W after midnight.  Gusts up to 30 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at  5 seconds and SE 1 foot at 10 seconds. Rain likely, mainly in the  evening.  TUE  W winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to  4 ft. Wave Detail: W 4 ft at 5 seconds and S 2 ft at 10 seconds.  TUE NIGHT  W winds 15 to 20 kt, diminishing to 10 to 15 kt  after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: W  4 ft at 5 seconds and SE 2 ft at 9 seconds.  WED  W winds 10 to 15 kt with gusts up to 20 kt, becoming SW  20 to 25 kt with gusts up to 30 kt in the afternoon. Seas 2 to  4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at  9 seconds.  WED NIGHT  SW winds 20 to 25 kt, becoming W 25 to 30 kt after  midnight. Seas 4 to 6 ft. A chance of rain.  THU  NW winds 25 to 30 kt. Seas 4 to 6 ft. A chance of rain.  THU NIGHT AND FRI  NW winds 15 to 20 kt, becoming SW 20 to  25 kt. Seas 2 to 4 ft.  FRI NIGHT  SW winds 20 to 25 kt with gusts up to 30 kt. Seas  4 to 6 ft. Rain likely.    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.    $$