Southern Lake Huron
Forecast
Marine Forecast
Issued 06:44 PM EDT 09 July 2025
Tonight and Thursday.
Wind light becoming north 10 knots near noon Thursday then becoming light Thursday evening.
Scattered showers this evening with a risk of thunderstorms. Fog patches.
Waves
Issued 06:44 PM EDT 09 July 2025
Tonight and Thursday.
Waves less than 0.5 metres building to 0.5 or less Thursday
afternoon.
Extended Forecast
Issued 06:43 PM EDT 09 July 2025
Friday
Wind light.
Saturday
Wind light increasing to south 20 knots late
in the day.
Sunday
Wind south 20 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
Lake Huron
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.Ice Forecasts
Lake Michigan
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 6:50 PM EDT 9 July 2025 Tonight and Thursday At 6:30 p.m. EDT tonight trough located on a line east-westover Ottawa.
By 6:30 p.m. EDT Thursday departing trough located on a line
east-west over Vermont.
At 6:30 p.m. EDT tonight dissipating ridge located from James Bay
to Wisconsin.
At 6:30 p.m. EDT tonight trough located on a line north-south over
eastern Saskatchewan.
By 6:30 p.m. EDT Thursday approaching trough located on a line
north-south over Lake Winnipeg.
Great Lakes - Lake Huron Area
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