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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 18 July 2025

Today Tonight and Saturday.

Wind light becoming south 10 knots this evening then increasing to west 15 near noon Saturday. Wind diminishing to variable 10 Saturday evening.

Scattered showers Saturday with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 18 July 2025
Today Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 Saturday afternoon.

Extended Forecast

Issued 03:00 AM EDT 18 July 2025
Sunday Wind northwest 15 knots.
Monday Wind light becoming northeast 15 knots late in the day.
Tuesday Wind east 15 knots diminishing to light.

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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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 18 July 2025 Today Tonight and Saturday At 10:30 a.m. EDT today high 1022 mb located over Lake Huron.
By 10:30 a.m. EDT Saturday high 1020 mb located east of New
York State.

At 10:30 a.m. EDT today trough located on a line north-south over
North Dakota.
By 10:30 a.m. EDT Saturday trough located on a line
northeast-southwest over northeastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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