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Georgian Bay

Forecast

Marine Forecast

Issued 03:00 AM EDT 23 June 2021

Today Tonight and Thursday.

Strong wind warning in effect.

Wind light becoming southwest 10 knots this afternoon then increasing to southwest 15 this evening. Wind increasing to southwest 20 overnight then diminishing to south 15 Thursday afternoon.

Scattered showers ending early this morning. Showers Thursday evening with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 23 June 2021
Today Tonight and Thursday. Waves one half metre or less building to one to one and one half metres near midnight.

Extended Forecast

Issued 03:00 AM EDT 23 June 2021
Friday Wind south 15 knots.
Saturday Wind southwest 15 knots.
Sunday Wind southwest 15 knots.

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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 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 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 03:00 AM EDT 23 June 2021

'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.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 23 June 2021 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line northeast-southwest
over southern Ontario.
By 3:00 a.m. EDT Thursday ridge located on a line
northeast-southwest over New England.

At 3:00 a.m. EDT today trough located on a line northeast-southwest
over northern Manitoba.
By 3:00 a.m. EDT Thursday trough located on a line
northeast-southwest over Lake Nipigon.

Great Lakes - Lake Erie and Lake Ontario Area

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