NWS Marine Forecast


   ANZ200-171500-  1004 PM EDT Tue Jun 16 2026    .Synopsis for Massachusetts and Rhode Island coastal waters...  High pres SW of the waters today bringing dry conditions. Next  system arrives Thu, bringing increasing seas and winds with showers  and storms possible later in day. Breezy conditions and elevated  seas continue Friday and Saturday.    $$
   ANZ256-171500-  Coastal Waters from Montauk NY to Marthas Vineyard extending out  to 20 NM South of Block Island-  1004 PM EDT Tue Jun 16 2026    OVERNIGHT  SW winds 10 to 15 kt with gusts up to 20 kt,  diminishing to 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at  8 seconds and W 2 ft at 4 seconds.  WED  S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft  at 6 seconds and E 1 foot at 6 seconds.  WED NIGHT  S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE  3 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog. Vsby  1 NM or less.  THU  S winds 15 to 20 kt, increasing to 20 to 25 kt in the  afternoon. Gusts up to 30 kt. Seas 3 to 4 ft, building to 5 to  7 ft in the afternoon. Wave Detail: SW 4 ft at 6 seconds and E  1 foot at 6 seconds, becoming S 7 ft at 7 seconds and NW 2 ft at  6 seconds. Patchy fog in the morning. A chance of showers in the  morning with vsby 1 NM or less.  THU NIGHT THROUGH FRI NIGHT  W winds 20 to 25 kt with gusts up  to 30 kt. Seas 5 to 7 ft. Wave Detail: S 7 ft at 7 seconds and W  3 ft at 9 seconds.  SAT THROUGH SUN NIGHT  W winds 15 to 20 kt with gusts up to  25 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 5 seconds and S  4 ft at 8 seconds.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$