NWS Marine Forecast


   ANZ200-162100-  402 AM EDT Thu Apr 16 2026    .Synopsis for Massachusetts and Rhode Island coastal waters...  A backdoor cold front remains over northern New England  today, which may flirt with MA waters north of Cape Cod through Thu.  A cold front likely crosses waters sometime Fri/Fri night followed  by a stronger cold front sometime Sun/Sun night. Early next week,  high pres builds from the Great Lakes to the Mid Atlantic.    $$
   ANZ254-162100-  Coastal waters from Provincetown MA to Chatham MA to Nantucket MA  out 20 nm-  402 AM EDT Thu Apr 16 2026    TODAY  SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to  3 ft. Patchy fog. A slight chance of showers this morning. Vsby  1 NM or less.  TONIGHT  SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to  4 ft. Patchy fog. Vsby 1 NM or less.  FRI  W winds 5 to 10 kt, becoming N in the afternoon. Seas 2 to  4 ft. Patchy fog. A chance of showers in the afternoon. Vsby 1 NM  or less, increasing to 1 to 3 NM in the afternoon.  FRI NIGHT  NE winds 5 to 10 kt. Seas 2 to 3 ft.  SAT  NE winds 5 to 10 kt. Seas 2 to 3 ft.  SAT NIGHT  E winds 5 to 10 kt, becoming S after midnight. Seas  2 to 3 ft.  SUN  S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to  4 ft. Showers likely.  SUN NIGHT  W winds 15 to 20 kt with gusts up to 25 kt. Seas  3 to 5 ft. Showers likely.  MON  NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to  5 ft.  MON NIGHT  NW winds 15 to 20 kt. Seas 2 to 4 ft.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$