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Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EST 11 December 2024

Today Tonight and Thursday.

Wind northwest 15 knots increasing to northwest 20 this afternoon then backing to west 15 this evening. Wind increasing to west 30 late overnight then veering to northwest 25 near noon Thursday. Wind backing to west 25 Thursday evening.

Scattered showers or scattered flurries becoming flurries this evening. Visibility 1 mile or less in flurries.

Risk of freezing spray Thursday afternoon and evening.

Waves

Issued 10:30 AM EST 11 December 2024
Today Tonight and Thursday. Waves 0.5 to 1 metre building to 1.5 early this evening then subsiding to 0.5 to 1 near midnight. Waves building to 2 early Thursday morning then subsiding to 1.5 Thursday afternoon.

Extended Forecast

Issued 03:00 AM EST 11 December 2024
Friday Wind west 20 knots diminishing to light late in the day.
Saturday Wind southeast 15 knots increasing to southeast 20 late in the day.
Sunday Wind southeast 20 knots.

Ice Forecast*

Issued 12:00 PM EST 11 December 2024 Today Tonight and Thursday Open water except 2 tenths 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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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 11 December 2024 Today Tonight and Thursday

Ice Coverage

Open water except 2 tenths new lake ice along parts of the shores.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 11 December 2024 Today Tonight and Thursday At 10:30 a.m. EST today low 1003 mb located over eastern
Pennsylvania.
By 10:30 a.m. EST Thursday low 973 mb located near Labrador.

At 10:30 a.m. EST today ridge located on a line north-south over
Saskatchewan.
By 10:30 a.m. EST Thursday ridge located on a line
northwest-southeast over North Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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