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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 01 April 2025

Tonight and Wednesday.

Wind west 10 knots increasing to northeast 10 to 15 early this evening and to northeast 20 near midnight. Wind veering to east 20 early Wednesday morning then to southeast 25 Wednesday evening.

Showers Wednesday late in the day with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 01 April 2025
Tonight and Wednesday. Waves 0.5 to 1 metre building to 1.5 Wednesday evening.

Extended Forecast

Issued 06:30 PM EDT 01 April 2025
Thursday Wind south 25 knots diminishing to west 15 late in the day.
Friday Wind light.
Saturday Wind east 20 knots backing to north 15 late in the day.

Ice Forecast*

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday 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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 1 April 2025 Today Tonight and Wednesday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 1 April 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight ridge located on a line north-south over
Georgian Bay.
By 6:30 p.m. EDT Wednesday ridge located on a line north-south
over eastern Quebec.

At 6:30 p.m. EDT tonight low 988 mb located over Colorado.
By 6:30 p.m. EDT Wednesday low 990 mb located over Wisconsin.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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