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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 16 January 2026

Today Tonight and Saturday.

Wind northwest 15 knots diminishing to variable 10 this afternoon then increasing to south 15 early this evening. Wind increasing to south 20 late overnight then veering to southwest 15 near noon Saturday. Wind increasing to southwest 25 Saturday evening.

Flurries. Visibility as low as 1 mile in flurries.

Waves

Issued 10:30 AM EST 16 January 2026
Today Tonight and Saturday. Waves 1.5 metres subsiding to 0.5 to 1 near noon then building to 1 to 1.5 late overnight. Waves building to 2 Saturday evening.

Extended Forecast

Issued 03:00 AM EST 16 January 2026
Sunday Wind southwest 30 knots diminishing to southwest 20 in the afternoon.
Monday Wind southwest 25 knots increasing to southwest 35.
Tuesday Wind west 35 knots diminishing to southwest 25 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 16 January 2026 Today Tonight and Saturday At 10:30 a.m. EST today ridge located on a line north-south over
eastern Ontario.
By 10:30 a.m. EST Saturday departing ridge located on a line
northwest-southeast over Quebec.

At 10:30 a.m. EST today low 996 mb located over Lake Superior.
By 10:30 a.m. EST Saturday low 1005 mb located over northern
Lake Huron.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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