Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 19 April 2021
Today Tonight and Tuesday.
Wind light becoming southwest 15 knots this afternoon then veering to west 15 near midnight. Wind diminishing to northwest 10 Tuesday evening.
Showers tonight.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 19 April 2021
Today Tonight and Tuesday.
Waves one half metre or less building to one half to one metre
early this evening then subsiding to one half metre or less Tuesday
evening.
Extended Forecast
Issued 03:00 AM EDT 19 April 2021
Wednesday
Wind north 15 knots increasing to north 20
in the morning.
Thursday
Wind northwest 20 knots backing to west
25.
Friday
Wind west 20 knots.
Ice Forecast*
Issued 12:00 PM EDT 18 April 2021 Today Tonight and Monday 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 18 April 2021 Today Tonight and MondayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 19 April 2021 Today Tonight and Tuesday At 3:00 a.m. EDT today low 1001 mb located over Lake Superior.By 3:00 a.m. EDT Tuesday low 1000 mb located southeast of James Bay.
At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over northern Ontario.
By 3:00 a.m. EDT Tuesday ridge located on a line east-west over
northern Ontario.
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