Southern Georgian Bay

Forecast

Marine Forecast

Issued 07:04 AM EDT 25 June 2017

Today Tonight and Monday.

Wind west 10 knots veering to northwest 10 this afternoon then to northeast 10 near midnight. Wind becoming light early Monday morning then becoming northwest 10 Monday evening.

Chance of showers today and this evening with a risk of thunderstorms. A few showers beginning near noon Monday. Fog patches dissipating near noon.

Waves

Issued 03:00 AM EDT 25 June 2017
Today Tonight and Monday. Waves one half metre subsiding to less than one half metre Monday morning.

Extended Forecast

Issued 03:00 AM EDT 25 June 2017
Tuesday Wind west 15 knots.
Wednesday Wind southwest 15 knots.
Thursday Wind southeast 20 knots veering to southwest 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 27 April 2017 Forecasts have ended for the season.
Warnings

Watches (In effect)

Squall watch in effect

Southern Georgian Bay

Issued 09:44 AM EDT 25 June 2017 Conditions are favourable for the development of squalls with wind gusts up to 35 knots.

Scattered thunderstorms are expected to affect the region late this morning into this afternoon. Isolated wind gusts to 35 knots are possible. Hail is likely as well with several of these thunderstorms.

Consider delaying or postponing travel in areas under the Squall Watch.

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 3:00 AM EDT 25 June 2017 Today Tonight and Monday At 3:00 a.m. EDT today low 986 mb located over northern Quebec.
By 3:00 a.m. EDT Monday departing low 980 mb located north of
Labrador.

At 3:00 a.m. EDT today trough from low located on a line east-west
over North Channel.
By 3:00 a.m. EDT Monday trough from low located on a line east-west
over Lake Huron.

At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over Saskatchewan.
By 3:00 a.m. EDT Monday ridge located on a line northwest-southeast
over North Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

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