Northern Georgian Bay


Marine Forecast

Issued 03:00 AM EDT 26 October 2016

Today Tonight and Thursday

Strong wind warning in effect.

Wind northeast 15 knots diminishing to northeast 10 near noon then increasing to east 15 early this evening. Wind increasing to east 25 overnight then backing to northeast 20 Thursday afternoon.

Chance of showers or flurries Thursday morning and afternoon.


Issued 03:00 AM EDT 26 October 2016
Today Tonight and Thursday Waves one metre subsiding to one half metre this afternoon then building to one this evening. Waves building to 2 Thursday morning then subsiding to one Thursday evening.

Extended Forecast

Issued 03:00 AM EDT 26 October 2016
Friday Wind northwest 15 knots increasing to southwest 25 late in the day.
Saturday Wind southwest 25 knots diminishing to north 20.
Sunday Wind light becoming west 15 knots.

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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

Northern Georgian Bay

Issued 03:00 AM EDT 26 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 3:00 AM EDT 26 October 2016 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over North Channel.
By 3:00 a.m. EDT Thursday ridge located on a line north-south
over Cornwall.

At 3:00 a.m. EDT today low 1012 mb located over eastern Nebraska.
By 3:00 a.m. EDT Thursday low 1015 mb located over Indiana.

At 3:00 a.m. EDT Thursday ridge located on a line east-west over
Lake Superior.

At 3:00 a.m. EDT today low 1014 mb located over western
By 3:00 a.m. EDT Thursday low 1010 mb located northeast of Lake

Great Lakes - Lake Huron Area

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