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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 10 April 2025

Tonight and Friday.

Wind light becoming north 10 knots this evening then veering to northeast 10 near midnight. Wind backing to northwest 10 near noon Friday.

Waves

Issued 06:30 PM EDT 10 April 2025
Tonight and Friday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 10 April 2025
Saturday Wind light.
Sunday Wind light.
Monday Wind light increasing to west 20 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 10 April 2025 Today Tonight and Friday Open water except 2 tenths thick lake ice near parts of the northern and eastern shores. CONSOLIDATED rotten thick lake ice along parts of the northern and eastern shores.

*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
Legend:
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 10 April 2025 Today Tonight and Friday

Ice Coverage

Open water except 2 tenths thick lake ice near parts of the northern
and eastern shores. CONSOLIDATED rotten thick lake ice along parts
of the northern and eastern shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 10 April 2025 Tonight and Friday At 6:30 p.m. EDT tonight ridge located on a line east-west over
Lake Superior.
By 6:30 p.m. EDT Friday ridge located on a line northeast-southwest
over Lake Michigan.

At 6:30 p.m. EDT tonight trough from low located on a line
northeast-southwest over southern Lake Erie.
By 6:30 p.m. EDT Friday trough from low located on a line
northeast-southwest over New York State.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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