Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 26 April 2025
Today Tonight and Sunday.
Wind light becoming southwest 10 knots early this morning then increasing to west 25 near noon. Wind veering to northwest 20 this evening then diminishing to northwest 15 Sunday morning. Wind diminishing to northwest 10 Sunday evening.
Scattered showers ending near midnight. Fog patches dissipating this morning.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 26 April 2025
Today Tonight and Sunday.
Waves 0.5 metres or less building to 1.5 this afternoon then
subsiding to 1 near midnight. Waves subsiding to 0.5 or less Sunday
evening.
Extended Forecast
Issued 03:00 AM EDT 26 April 2025
Monday
Wind light.
Tuesday
Wind south 15 knots increasing to southwest 25
late in the day.
Wednesday
Wind southwest 25 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday 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 EDT 25 April 2025 Today Tonight and SaturdayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 26 April 2025 Today Tonight and Sunday At 3:00 a.m. EDT today deepening low 1011 mb located over westernLake Ontario.
By 3:00 a.m. EDT Sunday departing low 1001 mb located over
southern Maine.
At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over northern Ontario.
By 3:00 a.m. EDT Sunday ridge located on a line northeast-southwest
over northeastern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
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