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Northern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 16 July 2025

Today Tonight and Thursday.

Strong wind warning in effect.

Wind south 10 knots becoming light near noon then increasing to northeast 15 near midnight. Wind increasing to north 20 Thursday morning then diminishing to north 15 Thursday evening.

Showers this afternoon tonight and Thursday with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 16 July 2025
Today Tonight and Thursday. Waves 0.5 metres or less building to 0.5 to 1 late overnight and to 1 to 1.5 near noon Thursday.

Extended Forecast

Issued 03:00 AM EDT 16 July 2025
Friday Wind northeast 15 knots diminishing to light in the afternoon.
Saturday Wind south 15 knots diminishing to light.
Sunday Wind northwest 15 knots.

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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 10:31 AM EDT 16 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 10:30 AM EDT 16 July 2025 Today Tonight and Thursday At 10:30 a.m. EDT today trough located on a line northeast-southwest
over North Channel.
By 10:30 a.m. EDT Thursday trough located on a line
northeast-southwest over Lake Simcoe.

At 10:30 a.m. EDT today low 1008 mb located over western Wisconsin.
By 10:30 a.m. EDT Thursday low 1004 mb located over Georgian Bay.

At 10:30 a.m. EDT today high 1024 mb located over southeastern
Saskatchewan.
By 10:30 a.m. EDT Thursday high 1021 mb located over western
Minnesota.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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