NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ232-180300-  Nantucket Sound-  1005 AM EDT Fri Oct 17 2025    SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING    THIS AFTERNOON  N winds 15 to 20 kt with gusts up to 25 kt.  Seas 3 to 5 ft. Wave Detail: N 4 ft at 4 seconds and E 2 ft at  9 seconds.  TONIGHT  N winds 15 to 20 kt, diminishing to 10 to 15 kt after  midnight. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: NE 4 ft  at 10 seconds and E 4 ft at 13 seconds.  SAT  N winds 10 to 15 kt. Gusts up to 20 kt in the morning.  Seas 2 to 4 ft. Wave Detail: E 4 ft at 12 seconds and N 2 ft at  4 seconds.  SAT NIGHT  NW winds 5 to 10 kt, becoming SW after midnight.  Seas 2 to 4 ft. Wave Detail: E 3 ft at 12 seconds and N 1 foot at  4 seconds.  SUN  S winds 10 to 15 kt, increasing to 15 to 20 kt in the  afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 3 seconds and  E 3 ft at 12 seconds.  SUN NIGHT  S winds 15 to 20 kt, increasing to 20 to 25 kt after  midnight. Gusts up to 30 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft  at 5 seconds and E 3 ft at 11 seconds. Showers likely after  midnight.  MON  S winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to  5 ft. Showers likely. Vsby 1 to 3 NM.  MON NIGHT  SW winds 15 to 20 kt with gusts up to 25 kt. Seas  3 to 5 ft. A chance of showers.  TUE  SW winds 15 to 20 kt. Seas 2 to 4 ft. A chance of showers.  TUE NIGHT  SW winds 15 to 20 kt. Seas 2 to 3 ft. Showers  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.    $$