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Southern Lake Huron

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 14 December 2025

Today Tonight and Monday.

Wind northwest 25 knots increasing to northwest 30 early this morning then diminishing to northwest 20 this afternoon. Wind backing to west 20 near midnight then increasing to southwest 30 Monday morning. Wind diminishing to southwest 20 Monday evening.

Flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending early this evening. Risk of freezing spray late this evening. Freezing spray Monday afternoon. Risk of freezing spray Monday late in the day.

Waves

Issued 03:00 AM EST 14 December 2025
Today Tonight and Monday. Waves 2 metres subsiding to 1.5 early this evening then building to 2 to 3 near noon Monday. Waves subsiding to 1.5 Monday evening.

Extended Forecast

Issued 03:00 AM EST 14 December 2025
Tuesday Wind southwest 15 knots increasing to southwest 25 in the morning and to southwest 30 late in the day.
Wednesday Wind southwest 30 knots diminishing to light late in the day.
Thursday Wind south 30 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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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)

Freezing spray warning in effect

Southern Lake Huron

Issued 03:00 AM EST 14 December 2025

Moderate or severe freezing spray is 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 EST 14 December 2025 Today Tonight and Monday At 3:00 a.m. EST today high 1044 mb located over southeastern
South Dakota.
By 3:00 a.m. EST Monday high 1039 mb located over Kentucky.

By 3:00 a.m. EST Monday approaching trough located on a line
north-south over Lake Superior.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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