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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 26 April 2025

Tonight and Sunday.

Wind northwest 20 knots diminishing to northwest 15 late overnight and to variable 10 Sunday morning. Wind becoming west 10 Sunday afternoon.

Periods of rain this evening.

Waves

Issued 06:30 PM EDT 26 April 2025
Tonight and Sunday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 early Sunday morning and to 0.5 or less near noon Sunday.

Extended Forecast

Issued 06:30 PM EDT 26 April 2025
Monday Wind light becoming south 15 knots late in the day.
Tuesday Wind south 20 knots increasing to west 30 late in the day.
Wednesday Wind northwest 25 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday Open water except 1 tenth thick lake ice along parts of the northern shore.

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

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

Ice Forecasts

Issued 12:00 PM EDT 25 April 2025 Today Tonight and Saturday

Ice Coverage

Open water except 1 tenth thick lake ice along parts of the northern
shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 26 April 2025 Today Tonight and Sunday At 10:30 a.m. EDT today low 1005 mb located over northern New
York State.
By 10:30 a.m. EDT Sunday departing low 1002 mb located over
southern Maine.

At 10:30 a.m. EDT today high 1030 mb located over Duluth.
By 10:30 a.m. EDT Sunday high 1028 mb located over Windsor.

Great Lakes - Lake Huron Area

Another Region

Marine Weather for Canada

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