Georgian Bay


Marine Forecast

Issued 03:00 AM EDT 27 September 2016

Today Tonight and Wednesday

Strong wind warning in effect.

Wind southwest 30 knots diminishing to south 20 this evening then backing to southeast 20 Wednesday morning. Wind diminishing to east 15 Wednesday evening.

A few showers ending Wednesday evening with a risk of waterspouts.


Issued 03:00 AM EDT 27 September 2016
Today Tonight and Wednesday Waves 2 metres subsiding to one near midnight then building to one and one half metres Wednesday morning.

Extended Forecast

Issued 03:00 AM EDT 27 September 2016
Thursday Wind northeast 20 knots.
Friday Wind northeast 25 knots.
Saturday Wind northeast 25 knots diminishing to northeast 15.

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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.

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 03:00 AM EDT 27 September 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 3:00 AM EDT 27 September 2016 Today Tonight and Wednesday At 3:00 a.m. EDT today low 993 mb located east of Lake Nipigon.
By 3:00 a.m. EDT Wednesday low 1004 mb located over Upper Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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