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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 06 February 2026

Today Tonight and Saturday.

Gale warning in effect.

Wind southwest 15 knots veering to west 15 this afternoon then increasing to northwest 35 this evening. Wind diminishing to northwest 25 late overnight. Wind northwest 20 to 25 Saturday.

Snow changing to flurries this evening and ending Saturday morning. Visibility 1 mile or less in flurries.

Freezing spray warning in effect.

Freezing spray beginning near midnight and ending early Saturday evening. Risk of freezing spray Saturday late in the day.

Waves

Issued 10:30 AM EST 06 February 2026
Today Tonight and Saturday. Waves 0.5 to 1 metre building to 1.5 this evening and to 2 near midnight. Waves subsiding to 1.5 Saturday evening.

Extended Forecast

Issued 03:00 AM EST 06 February 2026
Sunday Wind north 15 knots diminishing to light in the afternoon then becoming northwest 15 late in the day.
Monday Wind light.
Tuesday Wind light.

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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

Western Lake Ontario

Issued 10:30 AM 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

Western Lake Ontario

Issued 10:30 AM 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 10:30 AM EST 6 February 2026 Today Tonight and Saturday At 10:30 a.m. EST today cold front from 992 mb low located on a
line northeast-southwest over northeastern Ontario.
By 10:30 a.m. EST Saturday departing cold front from 1012 mb low
located on a line north-south over New Hampshire.

At 10:30 a.m. EST today ridge located on a line north-south over
Manitoba.
By 10:30 a.m. EST Saturday ridge located on a line north-south
over Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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