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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 06 February 2026

Tonight and Saturday.

Gale warning in effect.

Wind southwest 15 knots increasing to northwest 35 this evening then diminishing to northwest 30 late overnight. Wind diminishing to northwest 20 near noon Saturday.

Snow changing to scattered flurries Saturday morning and ending near noon Saturday. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Freezing spray overnight and Saturday morning. Risk of freezing spray Saturday.

Waves

Issued 06:30 PM EST 06 February 2026
Tonight and Saturday. Over open water waves 0.5 to 1 metre building to 2 near midnight then subsiding to 1 to 1.5 Saturday morning.

Extended Forecast

Issued 06:30 PM EST 06 February 2026
Sunday Wind north 15 knots diminishing to light in the afternoon.
Monday Wind light.
Tuesday Wind light increasing to west 20 knots late in the day.

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Map of Great Lakes - Lake Huron marine weather areas Wiarton Airport Western Islands Cove Island Goderich Lake Simcoe Regional Airport Vineland Station Parry Sound Harbour Sarnia Chris Hadfield Airport Tobermory Muskoka Airport Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Lagoon City Southeast Shoal Burlington Lift Bridge Welland-Pelham Windsor Airport Port Colborne Erieau Peterborough Municipal Airport CFB Trenton Toronto City Centre Airport Point Petre Oshawa Executive Airport Hamilton Munro Int'l Airport Point Pelee Cobourg Port Colborne - 45142 North Channel - 45154 Ajax - 45159 Lake Nipissing - 45152 Sault Ste. Marie Airport Killarney Lake Simcoe - 45151 Greater Sudbury Airport South Lake Huron - 45149 Lake St Clair - 45147 North Bay Airport South Georgian Bay - 45143 Gore Bay-Manitoulin Airport Grimsby - 45139 Georgian Bay - 45137 Great Duck Island Collingwood Kingston Airport Grenadier Island Brockville Prince Edward Point - 45135 Port Stanley - 45132
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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

Eastern Lake Ontario

Issued 6:30 PM EST 06 February 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

Eastern Lake Ontario

Issued 6:30 PM EST 06 February 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 6 February 2026 Tonight and Saturday At 6:30 p.m. EST tonight cold front from 1001 mb low located on
a line northeast-southwest over central Ontario.
By 6:30 p.m. EST Saturday departing cold front located on a line
north-south over Maine.

At 6:30 p.m. EST tonight ridge located on a line north-south over
the Ontario - Manitoba border.
By 6:30 p.m. EST Saturday ridge located on a line north-south
over Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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