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Southern Georgian Bay

Forecast

Marine Forecast

Issued 06:30 PM EDT 22 May 2024

Tonight and Thursday.

Wind southwest 15 knots tonight and Thursday.

Showers this evening with a risk of thunderstorms.

Waves

Issued 06:30 PM EDT 22 May 2024
Tonight and Thursday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 this evening.

Extended Forecast

Issued 06:30 PM EDT 22 May 2024
Friday Wind southwest 15 knots diminishing to light in the morning.
Saturday Wind southeast 15 knots.
Sunday Wind light.

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Weather Conditions

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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 Killarney 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 Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough 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 27 April 2024 Forecasts have ended for the season.
Warnings

Watches (In effect)

Squall watch in effect

Southern Georgian Bay

Issued 6:28 PM EDT 22 May 2024 Conditions are favourable for the development of squalls with wind gusts up to 50 knots and hail.

Thunderstorms will develop along a cold front that will move across the lake this evening.

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 6:31 PM EDT 22 May 2024 Tonight and Thursday At 6:30 p.m. EDT tonight low 990 mb located over Lake Nipigon.
By 6:30 p.m. EDT Thursday low 996 mb located over James Bay.

At 6:30 p.m. EDT tonight cold front located on a line north-south
over western Lake Ontario.
By 6:30 p.m. EDT Thursday cold front located on a line
northeast-southwest over southeastern Quebec.

Great Lakes - Lake Huron Area

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