Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 27 February 2021
Today Tonight and Sunday.
Wind south 20 knots veering to west 25 near noon then diminishing to west 15 early this evening. Wind diminishing to light near midnight then increasing to southeast 15 Sunday morning. Wind veering to south 20 Sunday afternoon.
Periods of rain ending this evening. Showers Sunday afternoon and evening.
Waves
Extended Forecast
Ice Forecast*
*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 27 February 2021 Today Tonight and SundayIce Coverage
Open water except 9 plus 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 10:30 AM EST 27 February 2021 Today Tonight and Sunday At 10:30 a.m. EST today departing trough located on a linenortheast-southwest over Lake Superior.
At 10:30 a.m. EST today departing low 1011 mb located east of
Georgian Bay.
At 10:30 a.m. EST today ridge located on a line northeast-southwest
over Manitoba.
By 10:30 a.m. EST Sunday ridge located on a line north-south
over Quebec.
By 10:30 a.m. EST Sunday approaching low 1006 mb located over
Wisconsin.
Great Lakes - Lake Huron 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: