Northern Lake Huron
Forecast
Marine Forecast
Issued 10:30 AM EDT 12 July 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind south 15 knots increasing to south 20 this afternoon then diminishing to southwest 15 this evening. Wind diminishing to west 10 late overnight then backing to southwest 10 near noon Sunday. Wind backing to south 10 Sunday evening.
Showers ending Sunday morning with a risk of thunderstorms. Fog patches.
Waves
Extended Forecast
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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
Warnings (In effect)
Strong wind warning in effect
Northern Lake Huron
Issued 10:30 AM EDT 12 July 2025'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Watches (In effect)
Squall watch in effect
Northern Lake Huron
Issued 4:31 PM EDT 12 July 2025 Conditions are favourable for the development of squalls with wind gusts up to 35 knots and frequent lightning.Thunderstorms this afternoon and this evening may produce strong wind gusts up to 35 knots.
Vessels without lightning protection should make their way to shore immediately. Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway. Consider delaying or postponing travel in areas under the Squall Watch.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EDT 12 July 2025 Today Tonight and Sunday At 10:30 a.m. EDT today trough located on a line north-south overLake Superior.
By 10:30 a.m. EDT Sunday trough located on a line north-south over
eastern Ontario.
At 10:30 a.m. EDT today ridge located on a line north-south over
South Dakota.
By 10:30 a.m. EDT Sunday ridge located on a line north-south
over Illinois.
Great Lakes - Lake Erie and Lake Ontario Area
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