NWS Marine Forecast


   ANZ200-281200-  703 PM EDT Thu Aug 27 2026    .Synopsis for Massachusetts and Rhode Island coastal waters...  High pres E of the waters moves farther offshore today. A cold front  approaches the waters from the W late today. Frontal passage  Fri night leads to high pres this weekend. A backdoor cold front may  approach the ern MA waters Mon morning.    $$
   ANZ254-281200-  Coastal waters from Provincetown MA to Chatham MA to Nantucket MA  out 20 NM-  703 PM EDT Thu Aug 27 2026    TONIGHT  S winds 5 to 10 kt. Seas around 3 ft. Wave Detail: SE  3 ft at 9 seconds and S 2 ft at 4 seconds. A slight chance of  showers.  FRI  S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft  at 7 seconds.  FRI NIGHT  SW winds 5 to 10 kt, becoming W after midnight. Seas  2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog. Vsby  1 to 3 NM.  SAT  N winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft  at 8 seconds and NW 2 ft at 5 seconds.  SAT NIGHT THROUGH SUN NIGHT  W winds 10 to 15 kt with gusts up  to 20 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds.  MON  NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft  at 4 seconds and SE 1 foot at 8 seconds.  MON NIGHT AND TUE  E winds 5 to 10 kt. Seas around 2 ft. A  chance of showers.  TUE NIGHT  E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of  showers.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$