National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from mid-South to Upstate New York on Tuesday

Thunderstorms are expected to develop along and ahead of a cold front from the Tennessee Valley to Upstate New York on Tuesday. The storms will be capable of producing damaging wind gusts and heavy rainfall that could lead to isolated flash flooding.
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Last Update: 717 PM EDT MON SEP 1 2014

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

Marine Zone Forecast





  • Tonight SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog after midnight with vsby 1 nm or less.
  • Tue SW winds 5 to 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 nm or less.
  • Tue Night SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Patchy fog. Vsby 1 nm or less.
  • Wed W winds around 10 kt. Seas 2 to 4 ft. Patchy fog. Vsby 1 nm or less.
  • Wed Night NW winds 5 to 10 kt. Seas 2 to 3 ft.
  • Thu NW winds around 5 kt...becoming SW in the afternoon. Seas 2 to 3 ft.
  • Thu Night SW winds 5 to 10 kt. Seas around 2 ft.
  • Fri SW winds 10 to 15 kt. Seas 2 to 3 ft.
  • Fri Night SW winds around 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.
  • Sat SW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. A chance of showers and tstms.
  • Sat Night NW winds 5 to 10 kt. Seas 4 to 5 ft. A chance of showers and tstms.

    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.




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.

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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