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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 12 January 2025

Tonight and Monday.

Wind south 20 knots diminishing to south 15 near midnight then veering to southwest 20 early Monday morning. Wind veering to west 25 Monday afternoon.

Snow changing to flurries Monday evening. Visibility 1 mile or less in flurries.

Waves

Issued 06:30 PM EST 12 January 2025
Tonight and Monday. Over open water waves 1 metre building to 1 to 1.5 Monday morning.

Extended Forecast

Issued 06:30 PM EST 12 January 2025
Tuesday Wind west 25 knots.
Wednesday Wind north 15 knots diminishing to light.
Thursday Wind southwest 25 knots veering to northwest 25.

Ice Forecast*

Issued 12:00 PM EST 12 January 2025 Today Tonight and Monday Open water except 5 tenths new lake ice including 2 tenths thin lake ice along parts of the shores. Consolidated thin lake ice including 2 tenths medium lake ice in Severn Sound.

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

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

Ice Forecasts

Issued 12:00 PM EST 12 January 2025 Today Tonight and Monday

Ice Coverage

Open water except 5 tenths new lake ice including 2 tenths thin lake
ice along parts of the shores. Consolidated thin lake ice including
2 tenths medium lake ice in Severn Sound.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 12 January 2025 Tonight and Monday At 6:30 p.m. EST tonight departing ridge located on a line
north-south over western Quebec.

At 6:30 p.m. EST tonight low 1002 mb located over southern Lake
Superior.
By 6:30 p.m. EST Monday low 1006 mb located over northeastern
Ontario.

By 6:30 p.m. EST Monday approaching ridge located on a line
north-south over Manitoba.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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