Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EDT 01 April 2025
Today Tonight and Wednesday.
Wind northwest 15 knots backing to west 15 near noon then becoming northeast 15 early this evening. Wind increasing to northeast 20 near midnight then veering to east 20 early Wednesday morning. Wind increasing to east 25 near noon Wednesday.
Showers Wednesday late in the day with a risk of thunderstorms.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EDT 01 April 2025
Today Tonight and Wednesday.
Waves 1 metre building to 1.5 late overnight and to 2 Wednesday
morning.
Extended Forecast
Issued 03:00 AM EDT 01 April 2025
Thursday
Wind southwest 25 knots diminishing to west
15 late in the day.
Friday
Wind light becoming west 15 knots.
Saturday
Wind light.
Ice Forecast*
Issued 12:00 PM EDT 31 March 2025 Today Tonight and Tuesday Open water.
*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 31 March 2025 Today Tonight and TuesdayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 1 April 2025 Today Tonight and Wednesday At 10:30 a.m. EDT today ridge located on a line north-south overWhitefish Bay.
By 10:30 a.m. EDT Wednesday ridge located on a line north-south
over central Quebec.
At 10:30 a.m. EDT today low 993 mb located over Colorado.
By 10:30 a.m. EDT Wednesday low 984 mb located over northwestern
Nebraska.
Great Lakes - Lake Huron Area
Another Region
- Date modified: