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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 15 May 2026

Tonight and Saturday.

Wind south 10 knots increasing to southwest 15 near midnight then veering to west 15 Saturday evening.

Scattered showers Saturday.

Waves

Issued 06:30 PM EDT 15 May 2026
Tonight and Saturday. Waves 0.5 metres or less building to 0.5 to 1 late overnight.

Extended Forecast

Issued 06:30 PM EDT 15 May 2026
Sunday Wind light.
Monday Wind southeast 15 knots veering to southwest 20 late in the day.
Tuesday Wind southwest 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 15 May 2026 Today Tonight and Saturday Ice free.

*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 15 May 2026 Today Tonight and Saturday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EDT 15 May 2026 Tonight and Saturday At 6:30 p.m. EDT tonight departing ridge located on a line
northeast-southwest over the St. Lawrence River.

At 6:30 p.m. EDT tonight low 988 mb located over northern Ontario.
By 6:30 p.m. EDT Saturday low 988 mb located over northern Quebec.

By 6:30 p.m. EDT Saturday ridge located from Manitoba to Michigan.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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