Georgian Bay


Marine Forecast

Issued 06:30 PM EDT 23 July 2016

Tonight and Sunday

Wind light becoming southeast 15 knots early Sunday morning then diminishing to west 10 Sunday evening.

Chance of showers Sunday afternoon and evening with a risk of thunderstorms.


Issued 06:30 PM EDT 23 July 2016
Tonight and Sunday Waves one half metre or less.

Extended Forecast

Issued 06:30 PM EDT 23 July 2016
Monday Wind south 15 knots veering to west 15 in the morning.
Tuesday Wind northwest 15 knots diminishing to light.
Wednesday Wind light.

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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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Municipal Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
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Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 7 May 2016 Forecasts have ended for the season.

No watches or warnings in effect.


Technical Marine Synopsis

Issued 3:00 AM EDT 24 July 2016 Today Tonight and Monday At 3:00 a.m. EDT today departing ridge located on a line north-south
over eastern Ontario.

At 3:00 a.m. EDT today low 999 mb located over the Ontario -
Manitoba border.
By 3:00 a.m. EDT Monday low 999 mb located southwest of James Bay.

At 3:00 a.m. EDT today trough located on a line northwest-southeast
over northwestern Ontario.
By 3:00 a.m. EDT Monday cold front from low located over Lake
Nipissing extending southwestward.

By 3:00 a.m. EDT Monday high located over Nebraska.

Great Lakes - Lake Erie and Lake Ontario Area

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