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Northern Georgian Bay

Forecast

Marine Forecast

Issued 06:30 PM EST 04 December 2024

Tonight and Thursday.

Wind southwest 25 knots veering to northwest 20 this evening then increasing to north 30 Thursday morning. Wind backing to northwest 25 Thursday afternoon.

Snow or rain this evening. Flurries Thursday.

Waves

Issued 06:30 PM EST 04 December 2024
Tonight and Thursday. Waves 2 metres subsiding to 1 to 1.5 near midnight then building to 2 near noon Thursday. Waves subsiding to 1 to 1.5 Thursday evening.

Extended Forecast

Issued 06:30 PM EST 04 December 2024
Friday Wind northwest 20 knots.
Saturday Wind north 15 knots increasing to southwest 30 late in the day.
Sunday Wind southwest 30 knots diminishing to west 20 late in the day.

Ice Forecast*

Issued 12:00 PM EST 4 December 2024 Today Tonight and Thursday Open water except 1 tenth new lake ice along parts of the shores.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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Map of Great Lakes - Lake Erie and Lake Ontario marine weather areas N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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 December 2024 Today Tonight and Thursday

Ice Coverage

Open water except 1 tenth new lake ice along parts of the shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 PM EST 4 December 2024 Tonight and Thursday At 6:30 p.m. EST tonight low 993 mb located over central Ontario.
By 6:30 p.m. EST Thursday low 986 mb located over eastern New
Brunswick.

At 6:30 p.m. EST tonight ridge located on a line north-south over
southern Saskatchewan.
By 6:30 p.m. EST Thursday departing ridge located on a line
north-south over central Iowa.

Great Lakes - Lake Erie and Lake Ontario Area

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