Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EST 09 December 2024
Tonight and Tuesday.
Wind southeast 15 knots veering to south 15 near midnight then to southwest 15 late overnight. Wind diminishing to southwest 10 Tuesday morning then backing to southeast 10 Tuesday afternoon. Wind increasing to southeast 20 Tuesday evening.
Scattered showers ending overnight. Periods of rain Tuesday late in the day.
Strong wind warning program has ended for the season.
Waves
Issued 06:30 PM EST 09 December 2024
Tonight and Tuesday.
Waves 0.5 to 1 metre subsiding to 0.5 or less near noon
Tuesday.
Extended Forecast
Issued 06:30 PM EST 09 December 2024
Wednesday
Wind southeast 20 knots diminishing to light
in the morning then increasing to southwest 25 late in the day.
Thursday
Wind southwest 35 knots.
Friday
Wind southwest 30 knots diminishing to west
15.
Ice Forecast*
Issued 12:00 PM EST 9 December 2024 Today Tonight and Tuesday 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 9 December 2024 Today Tonight and TuesdayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 7:40 PM EST 9 December 2024 Tonight and Tuesday At 6:30 p.m. EST tonight ridge located on a line northwest-southeastover central Quebec.
By 6:30 p.m. EST Tuesday ridge located on a line northwest-southeast
over Labrador.
At 6:30 p.m. EST tonight low 1001 mb located over Lake Superior.
By 6:30 p.m. EST Tuesday low 1008 mb located over James Bay.
By 6:30 p.m. EST Tuesday approaching low 1007 mb located over Ohio.
Great Lakes - Lake Huron Area
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