Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 02 July 2025
Today Tonight and Thursday.
Wind west 10 knots backing to southwest 10 this morning then increasing to west 15 near midnight. Wind increasing to west 15 to 20 Thursday morning then becoming west 15 Thursday afternoon. Wind diminishing to west 10 Thursday evening.
Scattered showers this afternoon and this evening with a risk of thunderstorms. Showers Thursday late in the day with a risk of thunderstorms.
Waves
Issued 03:00 AM EDT 02 July 2025
Today Tonight and Thursday.
Waves 0.5 metres or less building to 0.5 to 1
overnight.
Extended Forecast
Issued 03:00 AM EDT 02 July 2025
Friday
Wind light.
Saturday
Wind light.
Sunday
Wind southwest 15 knots diminishing to
light.
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Weather Conditions
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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 2 July 2025 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line north-south overNorth Dakota.
By 3:00 a.m. EDT Thursday ridge located on a line north-south over
Thunder Bay.
At 3:00 a.m. EDT today cold front located on a line
northeast-southwest over northern Ontario.
By 3:00 a.m. EDT Thursday cold front located on a line east-west
over Wawa.
Great Lakes - Lake Huron Area
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