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Northern Georgian Bay


Marine Forecast

Issued 06:30 PM EST 04 December 2022

Tonight and Monday.

Gale warning in effect.

Wind southwest 25 knots increasing to southwest 35 this evening then diminishing to southwest 25 early Monday morning.

Flurries or showers and showers Monday evening.


Issued 06:30 PM EST 04 December 2022
Tonight and Monday. Waves 2 metres building to 3 near midnight then subsiding to 2 Monday morning.

Extended Forecast

Issued 06:30 PM EST 04 December 2022
Tuesday Wind light becoming east 15 knots in the morning then diminishing to light late in the day.
Wednesday Wind light becoming northeast 15 knots late in the day.
Thursday Wind northeast 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EST 4 December 2022 Today Tonight and Monday 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 4 December 2022 Today Tonight and Monday

Ice Coverage

Open water.


Warnings (In effect)

Gale warning in effect

Northern Georgian Bay

Issued 6:30 PM EST 04 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 6:30 PM EST 4 December 2022 Tonight and Monday At 6:30 p.m. EST tonight departing ridge from 1032 mb high located
on a line northeast-southwest over the East Coast of the U.S.

At 6:30 p.m. EST tonight low 1000 mb located north of Lake Superior.
By 6:30 p.m. EST Monday weakening low 1015 mb located north
of Quebec.

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