Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 21 January 2021
Today Tonight and Friday.
Wind southwest 30 knots veering to west 30 this afternoon then diminishing to northwest 20 early Friday morning. Wind increasing to northwest 25 near noon Friday.
Flurries this afternoon tonight and Friday. Visibility as low as 1 mile in flurries.
Waves
Issued 10:30 AM EST 21 January 2021
Today Tonight and Friday.
Waves 2 to 3 metres subsiding to one and one half metres Friday
morning.
Extended Forecast
Issued 03:00 AM EST 21 January 2021
Saturday
Wind northwest 20 knots.
Sunday
Wind northwest 15 knots diminishing to
light.
Monday
Wind northeast 15 knots increasing to northeast
20 late in the day.
Ice Forecast*
Issued 12:00 PM EST 21 January 2021 Today Tonight and Friday Open water except 9 tenths thin lake ice in some sheltered bays in
the northeastern section.
*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 21 January 2021 Today Tonight and FridayIce Coverage
Open water except 9 tenths thin lake ice in some sheltered bays in
the northeastern section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EST 21 January 2021 Today Tonight and Friday At 10:30 a.m. EST today low 988 mb located over northeasternOntario.
By 10:30 a.m. EST Friday low 1000 mb located over Maine.
By 10:30 a.m. EST Friday approaching ridge located on a line
northeast-southwest over northwestern Ontario.
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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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