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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 15 January 2026

Today Tonight and Friday.

Wind north 25 knots diminishing to north 15 this afternoon and to variable 10 this evening. Wind increasing to southeast 15 Friday morning and to southeast 20 near noon Friday.

Scattered flurries this morning. Flurries Friday afternoon and evening. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray ending near noon. Risk of freezing spray early this afternoon.

Waves

Issued 10:30 AM EST 15 January 2026
Today Tonight and Friday. Waves 1.5 to 2 metres.

Extended Forecast

Issued 03:00 AM EST 15 January 2026
Saturday Wind southwest 15 knots increasing to southwest 20 in the morning.
Sunday Wind west 15 knots backing to southwest 20 late in the day.
Monday Wind southwest 25 knots veering to northwest 30 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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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Freezing spray warning in effect

Northern Georgian Bay

Issued 10:30 AM EST 15 January 2026

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 10:30 AM EST 15 January 2026 Today Tonight and Friday At 10:30 a.m. EST today low 995 mb located over southeastern Quebec.
By 10:30 a.m. EST Friday low 980 mb located over northern Nova
Scotia.

At 10:30 a.m. EST today ridge located over Lake Superior.
By 10:30 a.m. EST Friday ridge located on a line north-south over
northeastern Ontario.

At 10:30 a.m. EST today trough located on a line north-south over
northwestern Ontario.
By 10:30 a.m. EST Friday trough located on a line north-south over
northwestern Michigan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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