Western Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 21 December 2024
Today Tonight and Sunday.
Wind northwest 15 knots veering to north 15 this evening then diminishing to north 10 late overnight. Wind becoming light Sunday morning.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EST 21 December 2024
Today Tonight and Sunday.
Waves 0.5 to 1 metre subsiding to 0.5 or less early Sunday
morning.
Extended Forecast
Issued 03:00 AM EST 21 December 2024
Monday
Wind light increasing to south 20 knots late in
the day.
Tuesday
Wind southwest 15 knots diminishing to
light.
Wednesday
Wind northeast 15 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EST 21 December 2024 Today Tonight and Sunday Open water.
*Ice Forecast and Warnings also apply to U.S. waters
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Weather Conditions
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Land Station
Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EST 21 December 2024 Today Tonight and SundayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EST 21 December 2024 Today Tonight and Sunday At 10:30 a.m. EST today ridge located on a line northeast-southwestover Lake Superior.
By 10:30 a.m. EST Sunday ridge located on a line northeast-southwest
over Lake Ontario.
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