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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 22 January 2026

Tonight and Friday.

Gale warning in effect.

Wind west 30 knots increasing to west 35 near midnight then diminishing to northwest 25 Friday afternoon.

Scattered flurries. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray.

Waves

Issued 06:30 PM EST 22 January 2026
Tonight and Friday. Waves 2 to 3 metres subsiding to 2 Friday evening.

Extended Forecast

Issued 06:30 PM EST 22 January 2026
Saturday Wind northwest 20 knots diminishing to light in the morning.
Sunday Wind east 15 knots increasing to east 25 late in the day.
Monday Wind northeast 20 knots backing to northwest 20.

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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)

Gale warning in effect

Western Lake Ontario

Issued 6:30 PM EST 22 January 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Freezing spray warning in effect

Western Lake Ontario

Issued 6:30 PM EST 22 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 6:30 PM EST 22 January 2026 Tonight and Friday At 6:30 p.m. EST tonight departing low 1003 mb located southeast
of James Bay.

At 6:30 p.m. EST tonight trough located on a line
northeast-southwest over northeastern Ontario.
By 6:30 p.m. EST Friday trough located on a line east-west over
New York State.

At 6:30 p.m. EST tonight quasi-stationary ridge located on a line
northwest-southeast over Saskatchewan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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