Northern Georgian Bay


Marine Forecast

Issued 06:30 PM EDT 26 September 2016

Tonight and Tuesday

Strong wind warning in effect.

Wind west 25 knots increasing to west 30 this evening then backing to southwest 25 near noon Tuesday. Wind backing to south 20 Tuesday evening.

Showers. Risk of waterspouts tonight and Tuesday evening.


Issued 06:30 PM EDT 26 September 2016
Tonight and Tuesday Waves one and one half metres building to 2 near midnight.

Extended Forecast

Issued 06:30 PM EDT 26 September 2016
Wednesday Wind southwest 15 knots backing to southeast 15 in the morning.
Thursday Wind east 15 knots backing to northeast 20.
Friday Wind northeast 25 knots.

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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

Northern Georgian Bay

Issued 6:30 PM EDT 26 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 6:30 PM EDT 26 September 2016 Tonight and Tuesday At 6:30 p.m. EDT tonight low 995 mb located over Lake Nipigon.
By 6:30 p.m. EDT Tuesday low 1000 mb located over Lake Superior.

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