Issued 10:30 AM EDT 09 May 2021
Today Tonight and Monday.
Wind light increasing to northwest 15 knots this evening and to west 15 to 20 Monday afternoon. Wind becoming northwest 15 Monday evening.
Scattered showers Monday afternoon and evening.
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*Ice Forecast and Warnings also apply to U.S. waters
Ice ForecastsIssued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.
No watches or warnings in effect.
Technical Marine SynopsisIssued 10:30 AM EDT 9 May 2021 Today Tonight and Monday At 10:30 a.m. EDT today trough located from James Bay to the Gulf
of St. Lawrence.
By 10:30 a.m. EDT Monday trough located from Lake Nipissing to
At 10:30 a.m. EDT today ridge located from Lake Nipigon to Lake
Huron then to Ohio.
By 10:30 a.m. EDT Monday ridge located from Lake of the Woods to
Lower Michigan then to Lake Ontario.
At 10:30 a.m. EDT today low 1002 mb located over central Illinois.
By 10:30 a.m. EDT Monday low 1008 mb located off the East Coast
of the U.S.
Great Lakes - Lake Huron Area
- Arctic - Eastern Arctic
- Arctic - Western Arctic
- Atlantic - Labrador
- Atlantic - Maritimes
- Atlantic - Newfoundland
- Great Lakes - Lake Erie and Lake Ontario
- Great Lakes - Lake Huron
- Great Lakes - Lake Superior
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