Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 25 April 2025
Today Tonight and Saturday.
Wind light becoming northeast 15 knots early this morning then diminishing to east 10 this evening. Wind increasing to west 15 Saturday morning and to west 30 near noon Saturday. Wind veering to northwest 25 Saturday evening.
Showers beginning this morning. Risk of thunderstorms today and Saturday. Fog patches forming near midnight and dissipating near noon Saturday.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 25 April 2025
Today Tonight and Saturday.
Waves 0.5 metres or less building to 0.5 to 1 this morning and to
2 to 3 near noon Saturday.
Extended Forecast
Issued 03:00 AM EDT 25 April 2025
Sunday
Wind northwest 15 knots diminishing to light in
the afternoon.
Monday
Wind light.
Tuesday
Wind light becoming southwest 15
knots.
Ice Forecast*
Issued 12:00 PM EDT 24 April 2025 Today Tonight and Friday Ice free.
*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 24 April 2025 Today Tonight and FridayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 25 April 2025 Today Tonight and Saturday At 3:00 a.m. EDT today quasi-stationary ridge located on a linenortheast-southwest over northern Ontario.
At 3:00 a.m. EDT today trough located on a line northeast-southwest
over southern Ontario.
By 3:00 a.m. EDT Saturday approaching low 1010 mb located south
of Lake Ontario.
Great Lakes - Lake Huron Area
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