Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EST 20 January 2021
Today Tonight and Thursday.
Wind northwest 15 knots increasing to northwest 20 early this morning then backing to west 15 this afternoon. Wind backing to southwest 15 early this evening then increasing to southwest 25 near midnight. Wind increasing to southwest 30 Thursday morning then veering to west 25 Thursday evening.
Periods of snow overnight and Thursday. Visibility as low as 1 mile in snow.
Waves
Extended Forecast
Ice Forecast*
*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 EST 19 January 2021 Today Tonight and WednesdayIce Coverage
Open water except 8 tenths thin lake ice in some sheltered bays in
the northeastern section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EST 20 January 2021 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line northeast-southwestover northeastern Ontario.
By 3:00 a.m. EST Thursday ridge located on a line north-south over
New Hampshire.
At 3:00 a.m. EST today low 985 mb located over northern
Saskatchewan.
By 3:00 a.m. EST Thursday low 988 mb located over Wawa.
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Need to travel Alberta Highway 93?

Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)
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