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Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 24 July 2021

Tonight and Sunday.

Strong wind warning in effect.

Wind south 20 knots diminishing to west 15 this evening and to west 10 late overnight. Wind increasing to southwest 15 near noon Sunday.

Scattered showers ending overnight with a risk of thunderstorms. Fog patches forming this evening and dissipating late overnight.

Waves

Issued 06:30 PM EDT 24 July 2021
Tonight and Sunday. Waves one half to one metre subsiding to one half metre or less early Sunday morning then building to one half to one metre Sunday afternoon.

Extended Forecast

Issued 06:30 PM EDT 24 July 2021
Monday Wind west 15 knots diminishing to light in the morning then becoming west 15 late in the day.
Tuesday Wind west 15 knots diminishing to light.
Wednesday Wind light.

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

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 6:30 PM EDT 24 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 6:30 PM EDT 24 July 2021 Tonight and Sunday At 6:30 p.m. EDT tonight trough located on a line north-south over
Georgian Bay.
By 6:30 p.m. EDT Sunday trough located on a line north-south over
eastern Quebec.

By 6:30 p.m. EDT Sunday ridge located near Iowa.

Great Lakes - Lake Huron Area

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