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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 22 June 2021

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 20 knots diminishing to northwest 15 early this morning and to light near noon except southwest 15 over eastern sections today. Wind becoming southwest 10 Wednesday evening.

Waves

Issued 03:00 AM EDT 22 June 2021
Today Tonight and Wednesday. Waves one metre subsiding to one half metre near noon.

Extended Forecast

Issued 03:00 AM EDT 22 June 2021
Thursday Wind light becoming south 15 knots in the morning.
Friday Wind south 15 knots.
Saturday Wind south 15 knots veering to southwest 20 late in the day.

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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 9 May 2021 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 03:00 AM EDT 22 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 22 June 2021 Today Tonight and Wednesday At 3:00 a.m. EDT today departing cold front located on a line
north-south over Vermont.

At 3:00 a.m. EDT today ridge located on a line north-south over
Minnesota.
By 3:00 a.m. EDT Wednesday ridge located on a line
northeast-southwest over southern Ontario.

By 3:00 a.m. EDT Wednesday approaching trough located on a line
northeast-southwest over central Manitoba.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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