NWS Marine Forecast



 Hazardous marine condition(s):
 Gale Warning
 Storm Watch
   ANZ200-150900-  406 PM EDT Sat Mar 14 2026    .Synopsis for Massachusetts and Rhode Island coastal waters...  High pres builds over the waters tonight before moving offshore Sun.  A warm front will lift N across the waters Sun night followed by  strong low pres lifting into Quebec on Mon. S gale force wind gusts  develop Mon into Mon night followed by W gale force wind gusts Tue  behind a strong cold front. High pres builds over the waters Wed.    $$
   ANZ254-150900-  Coastal waters from Provincetown MA to Chatham MA to Nantucket MA  out 20 nm-  406 PM EDT Sat Mar 14 2026    GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING  STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY  MORNING    TONIGHT  W winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to  8 ft, subsiding to 4 to 6 ft after midnight. Wave Detail: S 6 ft  at 9 seconds and W 5 ft at 5 seconds, becoming NW 5 ft at  5 seconds and S 3 ft at 8 seconds.  SUN  N winds 10 to 15 kt with gusts up to 20 kt, becoming E  5 to 10 kt in the afternoon. Seas 3 to 5 ft, subsiding to 2 to  3 ft in the afternoon. Wave Detail: N 4 ft at 5 seconds and S  2 ft at 8 seconds, becoming N 2 ft at 5 seconds and S 1 foot at  7 seconds.  SUN NIGHT  SE winds 10 to 15 kt, increasing to 20 to 25 kt  after midnight. Seas 2 to 3 ft, building to 3 to 5 ft after  midnight. Wave Detail: SE 2 ft at 3 seconds and N 2 ft at  5 seconds, becoming S 5 ft at 6 seconds and NW 1 foot at  5 seconds. A chance of showers after midnight.  MON  SE winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to  7 ft, building to 8 to 11 ft in the afternoon. Wave Detail: SE  7 ft at 7 seconds and NW 1 foot at 5 seconds, becoming SE 10 ft  at 9 seconds and SE 3 ft at 5 seconds. Showers.  MON NIGHT  S winds 25 to 35 kt, becoming 30 to 35 kt after  midnight. Gusts up to 50 kt. Seas 11 to 15 ft. Wave Detail: S  15 ft at 10 seconds and S 6 ft at 8 seconds. Showers.  TUE  SW winds 25 to 30 kt. Gusts up to 40 kt in the morning.  Seas 10 to 14 ft. Wave Detail: S 14 ft at 11 seconds and SW 5 ft  at 9 seconds. A chance of showers in the morning.  TUE NIGHT  W winds 25 to 30 kt, diminishing to 20 to 25 kt  after midnight. Seas 8 to 11 ft.  WED  W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to  7 ft.  WED NIGHT THROUGH THU NIGHT  SE winds 10 to 15 kt. Seas 3 to  5 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.    $$