NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ232-311800-  Nantucket Sound-  103 AM EDT Tue Mar 31 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING    REST OF TONIGHT  SW winds 15 to 20 kt with gusts up to 25 kt.  Seas 3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at  8 seconds. A slight chance of showers.  TUE  SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to  5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at  8 seconds. Showers likely, mainly in the morning. Patchy fog in  the morning with vsby 1 to 3 NM.  TUE NIGHT  SW winds 20 to 25 kt with gusts up to 30 kt. Seas  4 to 6 ft. Wave Detail: S 5 ft at 6 seconds.  WED  SW winds 20 to 25 kt, diminishing to 15 to 20 kt in the  afternoon. Gusts up to 30 kt. Seas 4 to 6 ft. Wave Detail: SW  5 ft at 5 seconds. Patchy fog. A chance of showers in the  afternoon. Vsby 1 to 3 NM.  WED NIGHT  N winds 10 to 15 kt, becoming NE 15 to 20 kt after  midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 6 seconds and NE  2 ft at 3 seconds. Showers. Patchy fog in the evening with vsby  1 NM or less.  THU  NE winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft  at 4 seconds and S 2 ft at 7 seconds. A chance of showers.  THU NIGHT  E winds 10 to 15 kt. Gusts up to 20 kt in the  evening. Seas 2 to 3 ft.  FRI THROUGH SAT NIGHT  SE winds 15 to 20 kt with gusts up to  25 kt. Seas 2 to 4 ft.    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.    $$