Western Lake Ontario
Issued 03:00 AM EDT 21 September 2021
Today Tonight and Wednesday.
Strong wind warning in effect.
Wind south 20 knots diminishing to south 15 this morning and to south 10 early this evening. Wind increasing to south 15 overnight then backing to southeast 15 near noon Wednesday. Wind diminishing to variable 10 Wednesday evening.
Showers beginning near noon with a risk of thunderstorms late this afternoon and this evening changing to rain Wednesday morning.
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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.
Warnings (In effect)
Western Lake OntarioIssued 03:00 AM EDT 21 September 2021
'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Technical Marine SynopsisIssued 3:00 AM EDT 21 September 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over eastern Lake Superior.
By 3:00 a.m. EDT Wednesday trough located on a line
northeast-southwest over southern Lake Huron.
At 3:00 a.m. EDT today departing ridge located on a line
northeast-southwest over the Maritimes.
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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