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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 15 April 2026

Today Tonight and Thursday.

Wind light becoming northwest 10 knots Thursday evening.

Drizzle changing to showers near midnight with a risk of thunderstorms. Fog patches.

Waves

Issued 10:30 AM EDT 15 April 2026
Today Tonight and Thursday. Over open water waves 0.5 metres or less.

Extended Forecast

Issued 03:00 AM EDT 15 April 2026
Friday Wind northeast 15 knots diminishing to light in the morning.
Saturday Wind southeast 15 knots increasing to south 25.
Sunday Wind northwest 25 knots.

Ice Forecast*

Issued 12:00 PM EDT 15 April 2026 Today Tonight and Thursday 1 tenth thick lake ice except 7 tenths thick lake ice along the northeastern shore. Consolidated rotten thick lake ice along parts of the northeastern 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 15 April 2026 Today Tonight and Thursday

Ice Coverage

1 tenth thick lake ice except 7 tenths thick lake ice along the
northeastern shore. Consolidated rotten thick lake ice along parts
of the northeastern shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 15 April 2026 Today Tonight and Thursday At 10:30 a.m. EDT today departing high 1025 mb located over
northeastern Quebec.

At 10:30 a.m. EDT today quasi-stationary trough located on a line
northeast-southwest over Lower Michigan.

At 10:30 a.m. EDT today low 996 mb located over southern
Saskatchewan.
By 10:30 a.m. EDT Thursday low 1005 mb located over northeastern
Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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