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Northern Lake Huron

Forecast

Marine Forecast

Issued 03:00 AM EDT 20 June 2025

Today Tonight and Saturday.

Strong wind warning in effect.

Wind light becoming southeast 10 knots this evening then increasing to south 15 Saturday morning. Wind increasing to south 20 near noon Saturday then veering to southwest 15 to 20 Saturday evening.

Scattered showers and occasional fog patches this afternoon tonight and Saturday with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 20 June 2025
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 near noon Saturday and to 1 to 1.5 Saturday afternoon.

Extended Forecast

Issued 03:00 AM EDT 20 June 2025
Sunday Wind southwest 15 knots.
Monday Wind southwest 15 knots.
Tuesday Wind light.

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Weather Conditions

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Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
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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 03:00 AM EDT 20 June 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 20 June 2025 Today Tonight and Saturday At 3:00 a.m. EDT today departing low 997 mb located near Montréal.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over northeastern Ontario.
By 3:00 a.m. EDT Saturday weakening ridge located on a line
north-south over western Quebec.

By 3:00 a.m. EDT Saturday approaching low 995 mb located over
western Minnesota.

Great Lakes - Lake Huron Area

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