NWS Marine Forecast



 Hazardous marine condition(s):
 Gale Warning
   ANZ200-222100-  403 AM EDT Thu May 22 2025    .Synopsis for Massachusetts and Rhode Island coastal waters...  A developing gale center passes just inside the Benchmark  later today and tonight. This will bring E-NE gales to the MA and RI  waters, along with dangerous seas later today and tonight. Improving  weather conditions Fri, and especially over this weekend, as this  storm weakens and drifts into the Maritimes. High pres expected over  the waters early next week.    $$
   ANZ254-222100-  Coastal waters from Provincetown MA to Chatham MA to Nantucket MA  out 20 nm-  403 AM EDT Thu May 22 2025    GALE WARNING IN EFFECT THROUGH LATE TONIGHT    TODAY  E winds 20 to 25 kt with gusts up to 30 kt, increasing  to 25 to 30 kt with gusts up to 45 kt this afternoon. Seas 5 to  7 ft, building to 7 to 10 ft this afternoon. Wave Detail: E 7 ft  at 7 seconds, becoming E 10 ft at 8 seconds. Patchy fog. Rain. A  slight chance of tstms this afternoon. Vsby 1 NM or less.  TONIGHT  E winds 25 to 30 kt with gusts up to 50 kt, becoming S  20 to 25 kt with gusts up to 35 kt after midnight. Seas 9 to  12 ft. Wave Detail: E 12 ft at 9 seconds and SW 4 ft at  7 seconds. Patchy fog. Rain likely in the evening. A chance of  showers after midnight. Vsby 1 NM or less.  FRI  W winds 20 to 25 kt, diminishing to 15 to 20 kt in the  afternoon. Seas 7 to 10 ft, subsiding to 5 to 8 ft in the  afternoon. Wave Detail: E 9 ft at 9 seconds and SW 5 ft at  6 seconds, becoming E 7 ft at 9 seconds and W 4 ft at 6 seconds.  Patchy fog in the morning with vsby 1 NM or less.  FRI NIGHT  SW winds 10 to 15 kt. Gusts up to 20 kt in the  evening. Seas 4 to 6 ft. Wave Detail: E 5 ft at 9 seconds and W  3 ft at 7 seconds. A chance of showers after midnight.  SAT  W winds 5 to 10 kt with gusts up to 20 kt. Seas 3 to 5 ft.  Wave Detail: E 4 ft at 8 seconds and SW 3 ft at 7 seconds. A  chance of showers.  SAT NIGHT  W winds 5 to 10 kt. Gusts up to 20 kt after  midnight. Seas 2 to 4 ft. Wave Detail: E 3 ft at 9 seconds and W  2 ft at 7 seconds.  SUN THROUGH MON NIGHT  SW winds 5 to 10 kt with gusts up to  20 kt. Seas 2 to 3 ft.    Winds and seas higher in and near tstms.    Seas are reported as significant wave height, which is the  average of the highest third of the waves. Individual wave  heights may be more than twice the significant wave height.    $$