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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 08 May 2026

Today Tonight and Saturday.

Wind southwest 10 knots backing to south 10 early this evening then increasing to south 15 Saturday morning. Wind veering to west 15 Saturday evening.

Scattered showers today and Saturday.

Waves

Issued 03:00 AM EDT 08 May 2026
Today Tonight and Saturday. Waves 0.5 metres building to 0.5 to 1 Saturday morning.

Extended Forecast

Issued 03:00 AM EDT 08 May 2026
Sunday Wind west 15 knots.
Monday Wind northwest 15 knots diminishing to light.
Tuesday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 7 May 2026 Today Tonight and Friday 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 CFB Trenton Port Colborne - 45142 Hamilton Munro Int'l Airport Oshawa Executive Airport Port Stanley - 45132 Lake Nipissing - 45152 Point Petre Georgian Bay - 45137 Toronto City Centre Airport Lake Simcoe - 45151 South Georgian Bay - 45143 Prince Edward Point - 45135 Peterborough Municipal Airport South Lake Huron - 45149 Collingwood Lake St Clair - 45147 Grimsby - 45139 Goderich Lagoon City Kingston Airport Muskoka Airport Parry Sound Harbour Grenadier Island Lake Simcoe Regional Airport Wiarton Airport Brockville Western Islands Cove Island Great Duck Island North Channel - 45154 Sarnia Chris Hadfield Airport Gore Bay-Manitoulin Airport Tobermory Harrow AAFC Long Point North Bay Airport Port Weller St. Catharines / Niagara District Airport Greater Sudbury Airport Southeast Shoal Vineland Station Port Colborne Erieau Cobourg Sault Ste. Marie Airport Windsor Airport Welland-Pelham Killarney Ajax - 45159 Point Pelee Burlington Lift Bridge
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 7 May 2026 Today Tonight and Friday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 8 May 2026 Today Tonight and Saturday At 3:00 a.m. EDT today quasi-stationary low 991 mb located over
Hudson Bay.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Pennsylvania.
By 3:00 a.m. EDT Saturday departing ridge located on a line
north-south over Vermont.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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