Georgian Bay


Marine Forecast

Issued 03:00 AM EDT 30 May 2015

Today Tonight and Sunday

Strong wind warning in effect.

Wind south 10 knots increasing to southwest 15 early this morning then diminishing to variable 10 near noon. Wind increasing to north 20 this afternoon then veering to northeast 20 near midnight. Wind diminishing to northeast 15 near noon Sunday and to northeast 10 Sunday evening.

A few showers and scattered thunderstorms ending near midnight. Risk of thunderstorms this morning. Fog patches dissipating near noon.


Issued 03:00 AM EDT 30 May 2015
Today Tonight and Sunday Waves one half metre building to one and one half metres this afternoon then subsiding to one Sunday afternoon.

Extended Forecast

Issued 03:00 AM EDT 30 May 2015
Monday Wind northeast 15 knots diminishing to light late in the day.
Tuesday Wind light.
Wednesday Wind light.

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Weather Conditions

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Map of Great Lakes - Lake Huron marine weather areas Egbert 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 Kemptville 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 Toronto Pearson Int'l Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands CFB Borden Cove Island Long Point Port Colborne Erieau Point Pelee Toronto Buttonville Municipal Airport
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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 29 May 2015 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 03:00 AM EDT 30 May 2015

'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 30 May 2015 Today Tonight and Sunday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over North Channel.
By 3:00 a.m. EDT Sunday trough located on a line northeast-southwest
over New York State.

At 3:00 a.m. EDT today high 1032 mb located west of Lake Winnipeg.
By 3:00 a.m. EDT Sunday high 1032 mb located north of Lake Superior.

By 3:00 a.m. EDT Sunday low 1011 mb located over Indiana.

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