NWS Marine Forecast


   ANZ200-051500-  1003 PM EDT Thu Jun 4 2026    .Synopsis for Massachusetts and Rhode Island coastal waters...  A ridge of high pres will remain in control of our waters through  Fri. A cold front will approach from the west Sat night and cross  the waters on Sun. This will be followed by a ridge of high pres  building over the waters for early next week.    $$
   ANZ254-051500-  Coastal waters from Provincetown MA to Chatham MA to Nantucket MA  out 20 NM-  1003 PM EDT Thu Jun 4 2026    OVERNIGHT  SW winds around 15 kt with gusts up to 20 kt. Seas  around 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 2 ft at  10 seconds.  FRI  SW winds 10 to 15 kt, diminishing to 5 to 10 kt in the  afternoon. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and  SE 2 ft at 9 seconds.  FRI NIGHT  SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: SE  3 ft at 9 seconds and SW 2 ft at 4 seconds.  SAT  SW winds 10 to 15 kt, increasing to 15 to 20 kt in the  afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft  at 5 seconds and SE 3 ft at 9 seconds.  SAT NIGHT  SW winds 15 to 20 kt with gusts up to 25 kt. Seas  3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 4 ft at  8 seconds. Showers likely.  SUN  SW winds 10 to 15 kt. Gusts up to 20 kt in the morning.  Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at  4 seconds. A chance of showers in the morning, then showers  likely with a chance of tstms in the afternoon.  SUN NIGHT  N winds 10 to 15 kt, increasing to 15 to 20 kt after  midnight. Seas 3 to 5 ft. A chance of showers.  MON  N winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to  6 ft.  MON NIGHT  N winds 10 to 15 kt with gusts up to 20 kt. Seas  3 to 5 ft.  TUE  N winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to  3 ft.  TUE NIGHT  W winds 10 to 15 kt. Seas 3 to 5 ft.    Winds and seas higher in and near tstms.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$