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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 April 2026

Today Tonight and Thursday.

Wind light becoming northwest 10 knots near noon then becoming light near midnight. Wind becoming east 10 Thursday morning then increasing to east 15 Thursday evening.

Waves

Issued 03:00 AM EDT 22 April 2026
Today Tonight and Thursday. Waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 22 April 2026
Friday Wind east 20 knots.
Saturday Wind southeast 20 knots diminishing to light late in the day.
Sunday Wind light.

Ice Forecast*

Issued 12:00 PM EDT 21 April 2026 Today Tonight and Wednesday Open water.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 22 April 2026 Today Tonight and Thursday At 10:30 a.m. EDT today ridge located on a line north-south over
Lake Superior.
By 10:30 a.m. EDT Thursday ridge located on a line north-south
over southern Ontario.

By 10:30 a.m. EDT Thursday approaching cold front located from
Minnesota to Kansas.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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