Georgian Bay


Marine Forecast

Issued 10:30 AM EDT 01 October 2016

Today Tonight and Sunday

Strong wind warning in effect.

Wind east 20 knots diminishing to southeast 15 early this evening and to variable 10 early Sunday morning. Wind becoming northeast 10 Sunday evening.

A few showers. Risk of waterspouts Sunday.


Issued 10:30 AM EDT 01 October 2016
Today Tonight and Sunday Waves one metre subsiding to one half metre near noon.

Extended Forecast

Issued 03:00 AM EDT 01 October 2016
Monday Wind light.
Tuesday Wind light becoming southeast 15 knots.
Wednesday Wind southeast 15 knots increasing to southeast 20.

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Weather Conditions

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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 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.

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 10:30 AM EDT 01 October 2016

'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 10:30 AM EDT 1 October 2016 Today Tonight and Sunday At 10:30 a.m. EDT today low 1014 mb located over northern Indiana.
By 10:30 a.m. EDT Sunday low 1014 mb located over Lake Huron.

At 10:30 a.m. EDT today weakening ridge located on a line
northeast-southwest over northern Ontario.

At 10:30 a.m. EDT Sunday building ridge located on a line
north-south over northwestern Ontario.

Great Lakes - Lake Huron Area

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