National Weather Service United States Department of Commerce

Heavy snow continues across parts of Upper Midwest

Late-season snow showers are expected across portions of the Upper Midwest on Thursday, mainly across the Arrowhead region of Minnesota, much of Wisconsin and the Upper Peninsula of Michigan. The snow could be heavy at times in some locations, but is expected to diminish during the afternoon.
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Hazardous Weather Conditions

Last Update: 1027 AM EDT THU APR 17 2014

View Nearby Observations

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

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...



  • This Afternoon NE winds 15 to 20 kt...increasing to 20 to 25 kt. Seas 5 to 8 ft.
  • Tonight NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 7 ft.
  • Fri E winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft.
  • Fri Night NE winds 5 to 10 kt. Seas 3 to 5 ft. Patchy fog. Vsby 1 to 3 nm.
  • Sat W winds 5 to 10 kt. Seas 2 to 4 ft.
  • Sat Night NW winds around 10 kt. Seas 3 to 5 ft.
  • Sun NE winds 5 to 10 kt. Seas 3 to 5 ft.
  • Sun Night SE winds around 5 kt. Seas 3 to 5 ft.
  • Mon S winds 5 to 10 kt. Seas 2 to 4 ft.
  • Mon Night SW winds 5 to 10 kt. Seas 3 to 5 ft.

    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.




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