National Weather Service United States Department of Commerce

Severe weather possible across parts of New York state and New England

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Thursday afternoon across parts of upstate New York and into northern New England. Isolated large hail and locally-damaging wind gusts will be the main threats with any storms that develop.
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Last Update: 717 PM EDT THU JUL 31 2014

View Nearby Observations

Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island

Marine Zone Forecast





  • Tonight S winds 5 to 10 kt...becoming SW after midnight. Seas 3 to 4 ft. Patchy fog after midnight with vsby 1 to 3 nm.
  • Fri S winds around 5 kt...increasing to 5 to 10 kt in the afternoon. Seas around 3 ft.
  • Fri Night SE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
  • Sat E winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
  • Sat Night SE winds around 5 kt. Seas around 3 ft. Patchy fog. A chance of rain. Vsby 1 to 3 nm.
  • Sun S winds around 5 kt. Seas 2 to 3 ft. A chance of rain. Vsby 1 to 3 nm.
  • Sun Night SW winds around 5 kt. Seas 2 to 3 ft. A chance of showers.
  • Mon SW winds 5 to 10 kt. Seas 3 to 4 ft.
  • Mon Night SW winds 5 to 10 kt. Seas 2 to 4 ft.
  • Tue SW winds 5 to 10 kt. Seas 2 to 4 ft.
  • Tue Night W winds around 10 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.




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.

Additional Forecasts and Information

Zone Area Forecast for Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island
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