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Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EST 04 February 2025

Tonight and Wednesday.

Wind northwest 15 knots diminishing to northwest 10 late overnight then backing to west 10 Wednesday morning. Wind backing to south 10 Wednesday evening.

Scattered flurries Wednesday.

Waves

Issued 06:30 PM EST 04 February 2025
Tonight and Wednesday. Over open water waves 0.5 metres.

Extended Forecast

Issued 06:30 PM EST 04 February 2025
Thursday Wind southeast 20 knots increasing to west 25 in the afternoon and to northwest 35 late in the day.
Friday Wind northwest 35 knots diminishing to northwest 15 late in the day.
Saturday Wind northwest 15 knots veering to northeast 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 4 February 2025 Today Tonight and Wednesday Open water except 9 tenths thin lake ice including 3 tenths medium lake ice along the northern shore. Consolidated thick lake ice along parts of the shores and 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 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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 4 February 2025 Today Tonight and Wednesday

Ice Coverage

Open water except 9 tenths thin lake ice including 3 tenths medium
lake ice along the northern shore. Consolidated thick lake ice along
parts of the shores and in Severn Sound.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 5 February 2025 Today Tonight and Thursday At 3:00 a.m. EST today ridge located on a line northwest-southeast
over southern Michigan.
By 3:00 a.m. EST Thursday departing ridge located on a line
northwest-southeast over Maine.

By 3:00 a.m. EST Thursday approaching warm front located on a line
east-west over Ohio.

By 3:00 a.m. EST Thursday trough located on a line north-south
over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

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