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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 10 May 2021

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 10 knots increasing to west 15 this morning and to west 20 this afternoon. Wind diminishing to west 15 this evening then increasing to southwest 20 Tuesday morning.

Scattered showers Tuesday late in the day.

Waves

Issued 03:00 AM EDT 10 May 2021
Today Tonight and Tuesday. Waves less than one half metre building to one half to one metre this morning and to one to one and one half metres early this evening.

Extended Forecast

Issued 03:00 AM EDT 10 May 2021
Wednesday Wind west 15 to 20 knots.
Thursday Wind west 15 knots diminishing to light.
Friday Wind light.

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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

Eastern Lake Ontario

Issued 03:00 AM EDT 10 May 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 10 May 2021 Today Tonight and Tuesday At 3:00 a.m. EDT today high 1030 mb located over central Manitoba.
By 3:00 a.m. EDT Tuesday high 1030 mb located over northwestern
Ontario.

At 3:00 a.m. EDT today ridge from high located from Manitoba
to Montana.
By 3:00 a.m. EDT Tuesday ridge from high located from Hudson Bay
to South Dakota.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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