National Weather Service United States Department of Commerce

Severe weather possible for parts of northern, central Plains and Upper Midwest, as well as parts of OH, TN Valleys and Southeast

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Wednesday afternoon and evening for two areas: one covering parts of the northern & central Plains and Upper Midwest; and the other area covering parts of the Tenn. & Ohio Valleys and Southeast. Large hail & damaging winds will be the main threats, but there is a possibility of tornadoes for the Plains/Midwest area.
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Last Update: 429 PM EDT WED AUG 20 2014

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Coastal waters from Chincoteague to Parramore Island VA out 20 nm

Marine Zone Forecast





  • SynopsisA WARM FRONT APPROACHES THE WATERS TONIGHT...STALLING NEAR THE WATERS ON THURSDAY. LOW PRESSURE DEVELOPS OVER THE WATERS THURSDAY NIGHT AND FRIDAY. A BACKDOOR COLD FRONT DROPS OVER THE WATERS FRIDAY INTO FRIDAY NIGHT. IN WAKE OF THE FRONT...HIGH PRESSURE OVER THE NORTHEAST RIDGES OVER THE WATERS THROUGH EARLY NEXT WEEK.
  • Through 7 Pm NE winds 10 kt. Seas 3 ft...mainly E swell with a dominant period of 6 seconds.
  • Tonight E winds 5 to 10 kt. Seas 2 to 3 ft...mainly E swell with a dominant period of 8 seconds. Isolated showers and tstms after midnight.
  • Thu SE winds 5 to 10 kt. Seas 2 ft...mainly E swell with a dominant period of 7 seconds. A slight chance of showers and tstms.
  • Thu Night S winds 5 to 10 kt...becoming SW after midnight. Seas 2 ft. A chance of showers and tstms.
  • Fri NW winds 5 to 10 kt...becoming N in the afternoon. Seas 2 ft. A chance of showers and tstms in the afternoon.
  • Fri Night NE winds 10 to 15 kt. Seas 2 ft...building to 3 to 4 ft after midnight. A chance of showers and tstms.
  • Sat NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms early in the morning.
  • Sat Night NE winds 10 to 15 kt. Seas 4 to 5 ft.
  • Sun NE winds 15 kt. Seas 4 to 5 ft.
  • Sun Night NE winds 10 to 15 kt. Seas 4 to 5 ft.
  • Mon NE winds 10 to 15 kt. Seas 4 to 5 ft.

    winds and seas higher and visibilities lower in and near tstms.




WINDS AND SEAS HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.

Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Chincoteague to Parramore Island VA out 20 nm
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