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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 03 April 2025

Tonight and Friday.

Wind southwest 20 knots veering to west 15 this evening then diminishing to southwest 10 near noon Friday. Wind becoming light Friday evening.

Waves

Issued 06:30 PM EDT 03 April 2025
Tonight and Friday. Waves 1 metre subsiding to 0.5 or less early Friday morning.

Extended Forecast

Issued 06:30 PM EDT 03 April 2025
Saturday Wind east 15 knots increasing to east 20 in the morning then diminishing to variable 15 late in the day.
Sunday Wind west 20 knots.
Monday Wind light increasing to west 30 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday Open water.

*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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buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 3 April 2025 Today Tonight and Friday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 3 April 2025 Tonight and Friday At 6:30 p.m. EDT tonight low 999 mb located over Quebec.
By 6:30 p.m. EDT Friday departing low 1005 mb located over the
Gulf of St. Lawrence.

At 6:30 p.m. EDT tonight high 1021 mb located over southern
Minnesota.
By 6:30 p.m. EDT Friday high 1030 mb located over Quebec.

At 6:30 p.m. EDT tonight cold front located on a line north-south
over the Ontario - Manitoba border.
By 6:30 p.m. EDT Friday cold front located on a line north-south
over Thunder Bay.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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