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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 14 January 2025

Today Tonight and Wednesday.

Wind west 30 knots diminishing to northwest 20 this evening and to northwest 15 late overnight. Wind increasing to southwest 25 Wednesday evening.

Scattered flurries. Visibility as low as 1 mile in flurries.

Freezing spray warning in effect.

Freezing spray ending near midnight.

Waves

Issued 10:30 AM EST 14 January 2025
Today Tonight and Wednesday. Waves 2 to 3 metres subsiding to 1.5 near midnight and to 0.5 to 1 early Wednesday morning. Waves building to 1 to 1.5 Wednesday evening.

Extended Forecast

Issued 03:00 AM EST 14 January 2025
Thursday Wind southwest 25 knots.
Friday Wind west 20 knots increasing to southwest 30 late in the day.
Saturday Wind southwest 25 knots veering to northwest 20.

Ice Forecast*

Issued 12:00 PM EST 14 January 2025 Today Tonight and Wednesday Open water except 1 tenth new lake ice along parts of the southern shore.

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

 

[ Canadian Ice Service ]

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

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

Ice Forecasts

Issued 12:00 PM EST 14 January 2025 Today Tonight and Wednesday

Ice Coverage

Open water except 1 tenth new lake ice along parts of the southern
shore.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Western Lake Ontario

Issued 10:30 AM EST 14 January 2025

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 14 January 2025 Today Tonight and Wednesday At 10:30 a.m. EST today departing trough located on a line east-west
over Sudbury.

At 10:30 a.m. EST today ridge located on a line north-south over
Lake of the Woods.
By 10:30 a.m. EST Wednesday ridge located on a line
northeast-southwest over Sudbury.

At 10:30 a.m. EST Wednesday approaching trough located on a line
north-south over Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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