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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 12 January 2025

Today Tonight and Monday.

Wind southeast 15 knots veering to south 20 this afternoon then diminishing to south 15 near midnight. Wind veering to southwest 20 early Monday morning then increasing to west 30 Monday afternoon.

Scattered flurries beginning near noon changing to snow this evening then to flurries Monday evening. Visibility 1 mile or less in precipitation.

Waves

Issued 10:30 AM EST 12 January 2025
Today Tonight and Monday. Over open water waves 1.5 to 2 metres.

Extended Forecast

Issued 03:00 AM EST 12 January 2025
Tuesday Wind west 25 knots.
Wednesday Wind north 15 knots increasing to southwest 25 late in the day.
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 7 tenths new lake ice including 3 tenths thin lake ice along parts of the shores. Consolidated medium lake ice along parts of the shores.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Erie and Lake Ontario 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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land station Land Station
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 7 tenths new lake ice including 3 tenths thin lake
ice along parts of the shores. Consolidated medium lake ice along
parts of the shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 12 January 2025 Today Tonight and Monday At 10:30 a.m. EST today ridge located on a line north-south over
eastern Ontario.
By 10:30 a.m. EST Monday ridge located on a line northeast-southwest
over New England.

At 10:30 a.m. EST today low 1004 mb located over Wisconsin.
By 10:30 a.m. EST Monday low 1005 mb located over northeastern
Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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