National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Last Update: 956 PM EDT THU OCT 30 2014

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Lake Erie/The Islands to Vermilion OH beyond 5 nm off shoreline to US-Canadian border

Marine Zone Forecast

...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY MORNING...

  • SynopsisHIGH PRESSURE 30.10 INCHES OVER THE UPPER OHIO VALLEY WILL MOVE OFF THE EAST COAST FRIDAY. LOW PRESSURE 29.80 INCHES AND THE ASSOCIATED COLD FRONT WILL SLIDE SOUTHEAST ACROSS THE GREAT LAKES INTO NORTHERN OHIO FRIDAY AFTERNOON....THEN REDEVELOP OFF THE EAST COAST AND DEEPEN TO 29.40 INCHES BY SUNDAY. A LARGE AREA OF CANADIAN HIGH PRESSURE 30.30 INCHES WILL DRIFT TO THE CENTRAL GREAT LAKES BY SUNDAY AND LAKE ERIE BY MONDAY.
  • Overnight Southwest winds 5 to 10 knots. A chance of showers late. Waves 2 feet or less.
  • Friday Southwest winds 5 to 15 knots becoming northwest. A chance of showers through mid morning...then rain from late morning on. Waves 2 feet or less.
  • Friday Night Northwest winds 10 to 20 knots becoming north and increasing to 30 knots overnight. North gales to 35 knots possible. Showers. Waves building to 7 to 10 feet.
  • Saturday North winds to 30 knots diminishing to 20 to 25 knots. A chance of showers. Waves 7 to 10 feet subsiding to 5 to 8 feet.
  • Saturday Night North winds 15 to 25 knots diminishing to 10 to 20 knots. Waves 5 to 8 feet subsiding to 4 to 6 feet.
  • Sunday Northwest winds 10 to 15 knots becoming southwest. Waves 3 to 5 feet subsiding to 1 to 3 feet.
  • Monday Southwest winds 10 to 20 knots. A chance of rain showers. Waves 1 to 3 feet building to 2 to 4 feet.
  • Tuesday Southwest winds 10 to 20 knots. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet.



Additional Forecasts and Information

Zone Area Forecast for Lake Erie/The Islands to Vermilion OH beyond 5 nm off shoreline to US-Canadian border
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