Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EST 04 March 2021
Tonight and Friday.
Wind northwest 20 knots backing to west 25 Friday morning then veering to northwest 20 Friday evening.
Risk of freezing spray.
Waves
Issued 06:30 PM EST 04 March 2021
Tonight and Friday.
Waves one and one half metres building to 2 Friday
afternoon.
Extended Forecast
Issued 06:30 PM EST 04 March 2021
Saturday
Wind northwest 20 knots.
Sunday
Wind light.
Monday
Wind light becoming southwest 15
knots.
Ice Forecast*
Issued 12:00 PM EST 4 March 2021 Today Tonight and Friday Open water except 9 tenths thin lake ice including 4 tenths medium
lake ice in the extreme northeastern section. Consolidated medium
lake ice in most sheltered bays in the northeastern section.
*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 EST 4 March 2021 Today Tonight and FridayIce Coverage
Open water except 9 tenths thin lake ice including 4 tenths medium
lake ice in the extreme northeastern section. Consolidated medium
lake ice in most sheltered bays in the northeastern section.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EST 4 March 2021 Tonight and Friday At 6:30 p.m. EST tonight quasi-stationary low 976 mb locatedover Labrador.
At 6:30 p.m. EST tonight quasi-stationary ridge located on a line
north-south over Lake Superior.
Great Lakes - Lake Erie and Lake Ontario Area
Another Region
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
Features
Need to travel Alberta Highway 93?

Go prepared with Highway 93 forecasts. Highway regions are available in the Alberta text forecast bulletin between Lake Louise and Jasper. (Photo by: Natalie Anderson)
- Date modified: