NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   ANZ200-011000-  404 PM EST Sun Nov 30 2025    .Synopsis for Massachusetts and Rhode Island coastal waters...  A cold front sweeps across the waters tonight followed by gusty  NW winds into Mon. High pres moves across the waters Mon evening  then offshore late Mon night. A coastal low will track NE from the  mid Atlc coast Tue and develop into a Gale center as it passes south  and east of Nantucket Tue night. High pres will move from the Ohio  Valley to the mid Atlc coast Wed into Wed night. An arctic front  will push across New Eng and the waters Thu into Thu evening. High  pres builds over the waters Fri.    $$
   ANZ254-011000-  Coastal waters from Provincetown MA to Chatham MA to Nantucket MA  out 20 nm-  404 PM EST Sun Nov 30 2025    SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON    TONIGHT  S winds 15 to 20 kt, becoming W after midnight. Gusts  up to 30 kt. Seas 3 to 5 ft. Wave Detail: SE 5 ft at 7 seconds.  Rain. Vsby 1 to 3 NM this evening.  MON  NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to  5 ft. Wave Detail: W 4 ft at 5 seconds and SE 2 ft at 7 seconds.  MON NIGHT  N winds 10 to 15 kt with gusts up to 20 kt, becoming  SE 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: NW  4 ft at 6 seconds and SE 2 ft at 8 seconds.  TUE  S winds 10 to 15 kt, becoming SE 15 to 20 kt with gusts up  to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: E 3 ft at  6 seconds and SW 2 ft at 5 seconds. Rain. Vsby 1 to 3 NM in the  afternoon.  TUE NIGHT  NE winds 25 to 30 kt, becoming N after midnight.  Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave  Detail: NE 6 ft at 5 seconds and SW 1 foot at 5 seconds, becoming  N 7 ft at 7 seconds and S 7 ft at 11 seconds. Rain. Vsby 1 to  3 NM.  WED  NW winds 20 to 25 kt with gusts up to 30 kt, diminishing  to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 6 to  9 ft. Wave Detail: N 7 ft at 7 seconds and S 7 ft at 10 seconds.  A chance of rain in the morning.  WED NIGHT  W winds 5 to 10 kt, becoming SW 15 to 20 kt after  midnight. Seas 5 to 7 ft.  THU  W winds 25 to 30 kt. Seas 5 to 7 ft.  THU NIGHT  NW winds 25 to 30 kt with gusts up to 35 kt. Seas  6 to 9 ft, except 10 to 14 ft S and E of Nantucket.  FRI  NW winds 20 to 25 kt. Seas 5 to 7 ft.  FRI NIGHT  SW winds 10 to 15 kt with gusts up to 20 kt. Seas  3 to 4 ft. A chance of rain.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$