Western Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EDT 17 April 2021
Today Tonight and Sunday.
Wind southwest 10 knots veering to west 10 near midnight then backing to southwest 10 near noon Sunday.
Showers this afternoon and this evening.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 17 April 2021
Today Tonight and Sunday.
Waves one half metre or less.
Extended Forecast
Issued 03:00 AM EDT 17 April 2021
Monday
Wind west 15 knots diminishing to light in the
morning then increasing to southwest 20 late in the day.
Tuesday
Wind southwest 20 knots veering to northwest
15.
Wednesday
Wind northwest 25 knots backing to west 30
late in the day.
Ice Forecast*
Issued 12:00 PM EDT 17 April 2021 Today Tonight and Sunday Ice free.
*Ice Forecast and Warnings also apply to U.S. waters
Stay connected
Weather Conditions
Zoom-in to make a selection

Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 17 April 2021 Today Tonight and SundayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 17 April 2021 Today Tonight and Sunday At 10:30 a.m. EDT today quasi-stationary trough located on a linenorthwest-southeast over southern Quebec.
At 10:30 a.m. EDT today ridge located over Wyoming to Lake Nipigon.
By 10:30 a.m. EDT Sunday ridge located over Wyoming to Illinois.
Great Lakes - Lake Huron Area
Another Region
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
- Date modified: