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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 July 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind northeast 15 knots increasing to northwest 20 early this morning then diminishing to north 15 early this evening. Wind diminishing to northwest 10 near midnight then becoming light Friday morning.

Showers ending near noon with a risk of thunderstorms. Fog patches dissipating early this morning.

Waves

Issued 03:00 AM EDT 17 July 2025
Today Tonight and Friday. Waves 0.5 to 1 metre building to 1 to 1.5 this morning then subsiding to 0.5 to 1 this evening. Waves subsiding to 0.5 or less overnight.

Extended Forecast

Issued 03:00 AM EDT 17 July 2025
Saturday Wind light becoming south 15 knots in the afternoon then diminishing to light late in the day.
Sunday Wind light becoming north 15 knots.
Monday Wind light becoming northeast 15 knots late in the day.

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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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land station Land Station
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 17 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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 17 July 2025 Today Tonight and Friday At 3:00 a.m. EDT today low 1005 mb located over northeastern
Lower Michigan.
By 3:00 a.m. EDT Friday low 999 mb located over eastern Quebec.

At 3:00 a.m. EDT today high 1022 mb located over North Dakota.
By 3:00 a.m. EDT Friday high 1022 mb located over central Lake
Michigan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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