National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Last Update: 717 PM EST SAT NOV 22 2014

View Nearby Observations

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

Marine Zone Forecast




...GALE WARNING IN EFFECT UNTIL 3 AM EST SUNDAY...

  • Tonight SW winds 15 to 20 kt...becoming W 20 to 25 kt after midnight. Gusts up to 35 kt. Seas 7 to 10 ft. A chance of showers...mainly after midnight.
  • Sun SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft.
  • Sun Night SW winds 10 to 15 kt with gusts up to 20 kt... Becoming S 20 to 25 kt with gusts up to 30 kt after midnight. Seas 5 to 8 ft. Rain.
  • Mon S winds 25 to 30 kt with gusts up to 35 kt. Seas 9 to 12 ft. Rain. Vsby 1 to 3 nm.
  • Mon Night SW winds 20 to 25 kt with gusts up to 35 kt. Seas 9 to 13 ft.
  • Tue W winds around 20 kt with gusts up to 30 kt. Seas 7 to 10 ft.
  • Tue Night W winds 15 to 20 kt...becoming NW 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 5 to 8 ft. A chance of rain.
  • Wed NE winds 15 to 20 kt. Seas 4 to 5 ft. Rain likely. Vsby 1 to 3 nm.
  • Wed Night NE winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain likely. Vsby 1 to 3 nm.
  • Thu W winds around 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. A chance of rain.
  • Thu Night W winds 15 to 20 kt with gusts up to 30 kt. Seas 6 to 9 ft. A chance of rain.

    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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