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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 14 May 2026

Today Tonight and Friday.

Wind north 15 knots diminishing to north 10 this afternoon then becoming light this evening. Wind becoming south 10 Friday afternoon then increasing to south 15 Friday evening.

Scattered showers and fog patches ending early this morning.

Waves

Issued 03:00 AM EDT 14 May 2026
Today Tonight and Friday. Waves 0.5 to 1 metre subsiding to 0.5 or less early this evening.

Extended Forecast

Issued 03:00 AM EDT 14 May 2026
Saturday Wind southwest 15 knots diminishing to light late in the day.
Sunday Wind light.
Monday Wind light increasing to southeast 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 13 May 2026 Today Tonight and Thursday 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
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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 13 May 2026 Today Tonight and Thursday

Ice Coverage

Ice free.

Warnings

Warnings (Ended)

Strong wind warning ended

Northern Georgian Bay

Issued 03:00 AM EDT 14 May 2026
Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 14 May 2026 Today Tonight and Friday At 3:00 a.m. EDT today weakening low 1007 mb located over eastern
Ontario.

At 3:00 a.m. EDT today ridge located on a line north-south over
western Lake Superior.
By 3:00 a.m. EDT Friday ridge located on a line northeast-southwest
over Lake Huron.

At 3:00 a.m. EDT today low 991 mb located over eastern Alberta.
By 3:00 a.m. EDT Friday low 983 mb located over central Manitoba.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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