Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 14 July 2025
Today Tonight and Tuesday.
Wind south 10 knots becoming light early this morning then becoming southwest 10 near midnight. Wind becoming light Tuesday morning.
Scattered showers ending early this morning with a risk of thunderstorms.
Waves
Issued 03:00 AM EDT 14 July 2025
Today Tonight and Tuesday.
Waves 0.5 metres or less.
Extended Forecast
Issued 03:00 AM EDT 14 July 2025
Wednesday
Wind light.
Thursday
Wind light becoming southwest 15
knots.
Friday
Wind west 15 knots veering to north
15.
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 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 14 July 2025 Today Tonight and Tuesday At 3:00 a.m. EDT today trough from 985 mb low located from HudsonBay to Lake of the Woods.
By 3:00 a.m. EDT Tuesday departing trough from 990 mb low located
on a line northeast-southwest over Quebec.
At 3:00 a.m. EDT today high 1018 mb located over Illinois.
By 3:00 a.m. EDT Tuesday high 1018 mb located over Pennsylvania.
Great Lakes - Lake Huron Area
Another Region
- Date modified: