Western Lake Ontario
Forecast
Marine Forecast
Issued 04:42 AM EDT 24 April 2026
Today Tonight and Saturday.
Wind light increasing to east 15 knots early this morning and to east 20 near midnight. Wind backing to northeast 25 near noon Saturday then diminishing to northeast 15 Saturday evening.
Scattered showers ending this morning with a risk of thunderstorms. Rain overnight and Saturday.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 24 April 2026
Today Tonight and Saturday.
Waves 0.5 metres or less building to 0.5 to 1 this morning and to
1 to 1.5 overnight. Waves building to 2 Saturday morning then subsiding to 0.5
to 1 Saturday evening.
Extended Forecast
Issued 03:00 AM EDT 24 April 2026
Sunday
Wind light.
Monday
Wind light.
Tuesday
Wind southeast 15 knots increasing to
southeast 20.
Ice Forecast*
Issued 12:00 PM EDT 23 April 2026 Today Tonight and Friday Ice free.
*Ice Forecast and Warnings also apply to U.S. waters
Stay connected
Weather Conditions
Zoom-in to make a selection
Legend:
Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 23 April 2026 Today Tonight and FridayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 24 April 2026 Today Tonight and Saturday At 3:00 a.m. EDT today ridge located on a line north-south overthe Ontario - Quebec border.
By 3:00 a.m. EDT Saturday ridge located on a line north-south
over Montréal.
At 3:00 a.m. EDT today cold front located from Thunder Bay to
Missouri.
By 3:00 a.m. EDT Saturday cold front located on a line north-south
over Lake Erie.
Great Lakes - Lake Erie and Lake Ontario Area
Another Region
Features
Colour-coded weather alerts
Learn more about weather alerting in Canada
- Date modified:
ATOM