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Southern Georgian Bay


Marine Forecast

Issued 10:30 AM EST 01 December 2022

Today Tonight and Friday.

Gale warning in effect.

Wind northwest 35 knots diminishing to northwest 25 near noon and to west 15 early this evening. Wind backing to southwest 15 near midnight then to south 15 early Friday morning.

Flurries ending this afternoon. Scattered showers Friday evening. Visibility 1 mile or less in flurries.


Issued 10:30 AM EST 01 December 2022
Today Tonight and Friday. Waves 2 to 3 metres subsiding to 1 to 1.5 this evening.

Extended Forecast

Issued 03:00 AM EST 01 December 2022
Saturday Wind southwest 25 knots increasing to west 35 in the afternoon.
Sunday Wind northwest 25 knots backing to southwest 20 late in the day.
Monday Wind west 15 knots veering to northwest 20.

Ice Forecast*

Issued 12:00 PM EST 30 November 2022 Today Tonight and Thursday Open water.

*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 Huron 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 30 November 2022 Today Tonight and Thursday

Ice Coverage

Open water.


Warnings (In effect)

Gale warning in effect

Southern Georgian Bay

Issued 10:30 AM EST 01 December 2022

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.


Technical Marine Synopsis

Issued 10:30 AM EST 1 December 2022 Today Tonight and Friday At 10:30 a.m. EST today ridge located on a line northwest-southeast
over Thunder Bay.
By 10:30 a.m. EST Friday high 1035 mb located over North Carolina.

By 10:30 a.m. EST Friday approaching low 998 mb located over
eastern South Dakota.

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