Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 23 April 2021
Today Tonight and Saturday.
Wind west 20 knots backing to southwest 20 early this evening then veering to west 20 overnight. Wind diminishing to west 15 near noon Saturday and to light Saturday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 23 April 2021
Today Tonight and Saturday.
Waves one and one half metres subsiding to one this evening and
to one half metre Saturday afternoon.
Extended Forecast
Issued 03:00 AM EDT 23 April 2021
Sunday
Wind light becoming west 15 knots in the
morning.
Monday
Wind north 15 knots veering to east
15.
Tuesday
Wind southeast 15 knots veering to southwest
15.
Ice Forecast*
Issued 12:00 PM EDT 22 April 2021 Today Tonight and Friday Ice free.
*Ice Forecast and Warnings also apply to U.S. waters
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 22 April 2021 Today Tonight and FridayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 23 April 2021 Today Tonight and Saturday At 3:00 a.m. EDT today departing low 976 mb located over thenorthwestern Gulf of St. Lawrence.
At 3:00 a.m. EDT today ridge located on a line north-south over
southern Ontario.
By 3:00 a.m. EDT Saturday ridge located on a line north-south over
Lake Ontario.
By 3:00 a.m. EDT Saturday cold front located on a line
northeast-southwest over Thunder Bay.
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