National Weather Service United States Department of Commerce

Heavy snow forecast for parts of Upper Midwest and western Great Lakes

A cold air mass behind a cold front will bring below-normal temperatures across much of the eastern and northern U.S. on Wednesday and allow for snow, heavy at times, to develop across parts of the Upper Midwest and western Great Lakes, mainly from central Minnesota to northern Michigan. Winter Storm Warnings and Winter Weather Advisories are in effect across the region.
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Hazardous Weather Conditions

Last Update: 900 AM PDT WED APR 16 2014

View Nearby Observations

Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm

Marine Zone Forecast

...GALE WARNING IN EFFECT THROUGH THIS EVENING...



  • SynopsisTHE WINDS AND SEAS WILL GRADUALLY DIMINISH OVER THE NEXT FEW DAYS AS THE HIGH PRESSURE SYSTEM WEAKENS AND THE PRESSURE GRADIENT RELAXES. A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO WESTERN CANADA THIS WEEKEND GENERATING ELEVATED WESTERLY SWELLS WHICH WILL PROPAGATE ACROSS THE WATERS.
  • Today N winds 20 to 25 kt. Gusts up to 30 kt. Waves N 10 ft at 8 seconds.
  • Tonight N winds 20 to 25 kt. Gusts up to 30 kt. Waves NW 9 ft at 12 seconds. Patchy fog.
  • Thu N winds 15 to 25 kt. Waves NW 8 ft at 12 seconds. Patchy fog.
  • Thu Night N winds 10 to 20 kt. Waves NW 7 ft at 13 seconds.
  • Fri N winds 20 to 25 kt...becoming NW 10 to 20 kt. Waves W 10 ft at 12 seconds.
  • Sat NW winds 5 to 15 kt. Waves NW 9 ft at 12 seconds.
  • Sun N winds 10 to 20 kt. Waves NW 12 ft at 15 seconds.



Additional Forecasts and Information

Zone Area Forecast for Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm