Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 17 January 2021
Today Tonight and Monday.
Wind west 25 knots diminishing to northwest 15 this evening and to north 10 late overnight. Wind increasing to northwest 15 Monday afternoon.
Flurries or showers this evening.
Waves
Issued 10:30 AM EST 17 January 2021
Today Tonight and Monday.
Waves 3 metres subsiding to one and one half metres this
afternoon and to one half to one metre near midnight.
Extended Forecast
Issued 03:00 AM EST 17 January 2021
Tuesday
Wind light increasing to southwest 20 knots in
the morning and to southwest 25 in the afternoon.
Wednesday
Wind northwest 20 knots backing to southwest
15 late in the day.
Thursday
Wind light increasing to southwest 25 knots
late in the day.
Ice Forecast*
Issued 12:00 PM EST 17 January 2021 Today Tonight and Monday 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 17 January 2021 Today Tonight and MondayIce 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 17 January 2021 Today Tonight and Monday At 10:30 a.m. EST today low 977 mb located over the Gulf ofSt. Lawrence.
By 10:30 a.m. EST Monday departing low 982 mb located over
northeastern Quebec.
At 10:30 a.m. EST today trough located on a line east-west over
Lake Simcoe.
By 10:30 a.m. EST Monday trough located from Buffalo to Lake
Superior.
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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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