Western Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EST 20 January 2021
Tonight and Thursday.
Wind southwest 15 knots increasing to southwest 25 this evening and to southwest 30 near midnight. Wind veering to west 25 Thursday evening.
Periods of snow overnight and Thursday morning. Visibility as low as 1 mile in snow.
Waves
Issued 06:30 PM EST 20 January 2021
Tonight and Thursday.
Waves one half to one metre building to one and one half metres
near midnight and to 2 late overnight.
Extended Forecast
Issued 06:30 PM EST 20 January 2021
Friday
Wind west 25 knots diminishing to northwest 15
in the morning then increasing to northwest 20 in the afternoon.
Saturday
Wind northwest 20 knots.
Sunday
Wind northwest 15 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EST 20 January 2021 Today Tonight and Thursday Open water.
*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 20 January 2021 Today Tonight and ThursdayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EST 20 January 2021 Tonight and Thursday At 6:30 p.m. EST tonight departing ridge located on a linenortheast-southwest over eastern Ontario.
At 6:30 p.m. EST tonight low 984 mb located over northwestern
Ontario.
By 6:30 p.m. EST Thursday low 994 mb located east of Lake Nipissing.
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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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