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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 05 February 2025

Today Tonight and Thursday.

Wind northwest 15 knots diminishing to north 10 early this morning then becoming light near noon. Wind increasing to southeast 15 this evening and to southeast 20 near midnight. Wind veering to south 20 near noon Thursday then to southwest 25 Thursday afternoon. Wind increasing to southwest 30 Thursday evening.

Snow Thursday. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EST 05 February 2025
Today Tonight and Thursday. Over open water waves 0.5 metres building to 0.5 to 1 near midnight and to 1.5 Thursday evening.

Extended Forecast

Issued 03:00 AM EST 05 February 2025
Friday Wind west 35 knots diminishing to west 30 in the morning and to west 20 late in the day.
Saturday Wind west 20 knots increasing to east 25 late in the day.
Sunday Wind east 25 knots backing to north 25.

Ice Forecast*

Issued 12:00 PM EST 4 February 2025 Today Tonight and Wednesday Open water except 7 tenths thin lake ice including 1 tenth medium lake ice in the northeastern section. Consolidated medium lake ice in the Bay Of Quinte and along parts of the shores in the northeastern section.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron 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 4 February 2025 Today Tonight and Wednesday

Ice Coverage

Open water except 7 tenths thin lake ice including 1 tenth medium
lake ice in the northeastern section. Consolidated medium lake ice
in the Bay Of Quinte and along parts of the shores in the
northeastern section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 5 February 2025 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over southern Michigan.
By 3:00 a.m. EST Thursday departing ridge located on a line
northwest-southeast over Maine.

By 3:00 a.m. EST Thursday approaching warm front located on a line
east-west over Ohio.

By 3:00 a.m. EST Thursday trough located on a line north-south
over northwestern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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