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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 14 April 2026

Tonight and Wednesday.

Wind northwest 10 knots becoming light this evening. Wind light Wednesday.

Scattered showers overnight and Wednesday. Risk of thunderstorms overnight and Wednesday morning. Fog patches.

Waves

Issued 06:30 PM EDT 14 April 2026
Tonight and Wednesday. Waves 0.5 metres or less.

Extended Forecast

Issued 06:30 PM EDT 14 April 2026
Thursday Wind light becoming north 15 knots late in the day.
Friday Wind northeast 15 knots diminishing to light.
Saturday Wind southeast 15 knots increasing to south 25.

Ice Forecast*

Issued 12:00 PM EDT 14 April 2026 Today Tonight and Wednesday Open water except 5 tenths thick lake ice along the northeastern shore. Consolidated rotten thick lake ice along parts of the 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 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 14 April 2026 Today Tonight and Wednesday

Ice Coverage

Open water except 5 tenths thick lake ice along the northeastern
shore. Consolidated rotten thick lake ice along parts of the shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 14 April 2026 Tonight and Wednesday At 6:30 p.m. EDT tonight departing ridge from high located on a
line east-west over James Bay.

At 6:30 p.m. EDT tonight departing low 1005 mb located over New
England.

At 6:30 p.m. EDT tonight trough located from Lake Superior to
Kansas.
By 6:30 p.m. EDT Wednesday low 1007 mb located over eastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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