Northern Georgian Bay

Forecast

Marine Forecast

Issued 10:30 AM EDT 30 August 2016

Today Tonight and Wednesday

Squall watch in effect.

Wind southwest 15 knots with gusts to 45 near thunderstorms. Wind becoming northwest 15 this evening then diminishing to northwest 10 near noon Wednesday. Wind increasing to northwest 15 Wednesday evening.

Chance of showers today and early this evening with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 30 August 2016
Today Tonight and Wednesday Waves one half to one metre.

Extended Forecast

Issued 03:00 AM EDT 30 August 2016
Thursday Wind north 15 knots.
Friday Wind northeast 15 knots diminishing to light late in the day.
Saturday Wind light becoming southeast 15 knots late in the day.

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Weather Conditions

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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
Legend:
buoy Buoy
land station Land Station
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

Warnings (In effect)

Squall warning in effect

Northern Georgian Bay

Issued 1:08 PM EDT 30 August 2016 Squalls with wind gusts up to 45 knots, frequent lightning, hail up to 2 centimetres and poor to very poor visibility in thunderstorms heavy at times are expected or occurring in the area.


Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Watches (In effect)

Squall watch in effect

Northern Georgian Bay

Issued 10:18 AM EDT 30 August 2016 Conditions are favourable for the development of squalls with wind gusts up to 45 knots, frequent lightning, hail and poor to very poor visibility in thunderstorms heavy at times.


Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 30 August 2016 Today Tonight and Wednesday At 10:30 a.m. EDT today departing ridge located on a line
northeast-southwest over Pennsylvania.

At 10:30 a.m. EDT today trough located on a line northeast-southwest
over Sault Ste. Marie.
By 10:30 a.m. EDT Wednesday trough located on a line
northeast-southwest over Lake Ontario.

At 10:30 a.m. EDT today ridge located on a line northwest-southeast
over Saskatchewan.
By 10:30 a.m. EDT Wednesday ridge located on a line north-south
over Manitoba.

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