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Northern Georgian Bay

Forecast

Marine Forecast

Issued 03:00 AM EDT 26 September 2021

Today Tonight and Monday.

Wind southwest 15 knots veering to west 15 early this morning then backing to southwest 15 this afternoon. Wind diminishing to southwest 10 overnight then increasing to northeast 15 Monday morning. Wind diminishing to north 10 Monday afternoon.

Scattered showers ending early this morning with a risk of thunderstorms. Scattered showers tonight.

Waves

Issued 03:00 AM EDT 26 September 2021
Today Tonight and Monday. Waves 0.5 to 1 metre subsiding to 0.5 or less Monday morning then building to 0.5 to 1 near noon Monday. Waves subsiding to 0.5 or less Monday evening.

Extended Forecast

Issued 03:00 AM EDT 26 September 2021
Tuesday Wind northwest 15 knots diminishing to light in the morning.
Wednesday Wind light.
Thursday Wind northeast 15 knots.

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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 EDT 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (Ended)

Strong wind warning ended

Northern Georgian Bay

Issued 03:00 AM EDT 26 September 2021
Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 26 September 2021 Today Tonight and Monday At 3:00 a.m. EDT today departing cold front located on a line
north-south over Montréal.

At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over Lake Erie.
By 3:00 a.m. EDT Monday departing ridge located on a line
northeast-southwest over New York State.

By 3:00 a.m. EDT Monday approaching high 1011 mb located over
northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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