Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 18 January 2021
Today Tonight and Tuesday.
Wind northwest 15 knots diminishing to northwest 10 early this evening then becoming light near midnight. Wind increasing to west 15 Tuesday morning and to west 20 near noon Tuesday. Wind increasing to west 30 Tuesday afternoon.
Flurries Tuesday.
Waves
Issued 10:30 AM EST 18 January 2021
Today Tonight and Tuesday.
Waves one half metre building to one and one half metres near
noon Tuesday and to 2 to 3 Tuesday afternoon.
Extended Forecast
Issued 03:00 AM EST 18 January 2021
Wednesday
Wind northwest 20 knots backing to southwest
15 late in the day.
Thursday
Wind southwest 25 knots.
Friday
Wind west 25 knots diminishing to northwest 15
late in the day.
Ice Forecast*
Issued 12:00 PM EST 18 January 2021 Today Tonight and Tuesday Open water except 8 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 18 January 2021 Today Tonight and TuesdayIce 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 10:30 AM EST 18 January 2021 Today Tonight and Tuesday At 10:30 a.m. EST today quasi-stationary trough located from LakeSuperior to Lake Ontario.
By 10:30 a.m. EST Tuesday deepening low 1010 mb located near
Sudbury.
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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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