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Georgian Bay


Marine Forecast

Issued 03:00 AM EDT 15 June 2024

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northeast 15 to 20 knots diminishing to northeast 10 early this morning then becoming light near noon. Wind becoming southeast 10 near midnight then increasing to southeast 15 Sunday morning. Wind increasing to southeast 20 Sunday afternoon.


Issued 03:00 AM EDT 15 June 2024
Today Tonight and Sunday. Waves 1 metre subsiding to 0.5 or less this morning then building to 0.5 to 1 near noon Sunday. Waves building to 1 to 1.5 Sunday evening.

Extended Forecast

Issued 03:00 AM EDT 15 June 2024
Monday Wind southeast 20 knots diminishing to light in the afternoon.
Tuesday Wind light becoming southeast 15 knots late in the day.
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 27 April 2024 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 03:00 AM EDT 15 June 2024

'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.


Technical Marine Synopsis

Issued 3:00 AM EDT 15 June 2024 Today Tonight and Sunday At 3:00 a.m. EDT today high 1022 mb located over northeastern
By 3:00 a.m. EDT Sunday high 1024 mb located over eastern Ontario.

By 3:00 a.m. EDT Sunday low 993 mb located over North Dakota.

Great Lakes - Lake Huron Area

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