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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 31 July 2021

Today Tonight and Sunday.

Strong wind warning in effect.

Wind southwest 15 knots diminishing to light this evening then increasing to northeast 15 early Sunday morning. Wind increasing to northeast 20 near noon Sunday then diminishing to northeast 15 Sunday afternoon. Wind backing to north 15 Sunday evening.

Scattered showers this afternoon tonight and Sunday with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 31 July 2021
Today Tonight and Sunday. Waves one half to one metre subsiding to one half metre or less near midnight then building to one half to one metre Sunday morning.

Extended Forecast

Issued 03:00 AM EDT 31 July 2021
Monday Wind northwest 15 knots backing to southwest 15 in the afternoon.
Tuesday Wind southwest 15 knots diminishing to light late in the day.
Wednesday Wind light.

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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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land station Land Station
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 (In effect)

Strong wind warning in effect

Georgian Bay

Issued 10:30 AM EDT 31 July 2021

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 31 July 2021 Today Tonight and Sunday At 10:30 a.m. EDT today ridge located on a line east-west over
Indiana.
By 10:30 a.m. EDT Sunday ridge located on a line east-west over
the Maritimes.

At 10:30 a.m. EDT today low 1012 mb located east of Lake Nipigon.
By 10:30 a.m. EDT Sunday low 1010 mb located over Lake Nipissing.

By 10:30 a.m. EDT Sunday ridge located on a line north-south over
North Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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