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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 11 May 2025

Today Tonight and Monday.

Wind northeast 10 knots becoming light this morning then becoming southeast 10 this evening. Wind veering to south 10 overnight then becoming light Monday morning. Wind becoming east 10 Monday evening.

Waves

Issued 03:00 AM EDT 11 May 2025
Today Tonight and Monday. Waves 0.5 metres or less subsiding to less than 0.5 near noon then building to 0.5 or less near midnight. Waves subsiding to less than 0.5 near noon Monday.

Extended Forecast

Issued 03:00 AM EDT 11 May 2025
Tuesday Wind light becoming southeast 15 knots late in the day.
Wednesday Wind southeast 15 knots diminishing to light late in the day.
Thursday Wind light becoming southeast 15 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 10 May 2025 Today Tonight and Sunday Ice free.

*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 Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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 May 2025 Today Tonight and Sunday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 11 May 2025 Today Tonight and Monday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over northeastern Ontario.
By 3:00 a.m. EDT Monday ridge located on a line northeast-southwest
over southern Ontario.

At 3:00 a.m. EDT today quasi-stationary trough located on a line
east-west over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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