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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 06:30 PM EDT 11 May 2021

Tonight and Wednesday.

Strong wind warning in effect.

Wind west 25 knots diminishing to west 15 late overnight then increasing to west 20 near noon Wednesday. Wind diminishing to northwest 10 Wednesday evening.

Scattered showers this evening.

Waves

Issued 06:30 PM EDT 11 May 2021
Tonight and Wednesday. Waves one and one half metres subsiding to one early Wednesday morning.

Extended Forecast

Issued 06:30 PM EDT 11 May 2021
Thursday Wind west 15 knots.
Friday Wind light becoming southwest 15 knots late in the day.
Saturday Wind light.

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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

Eastern Lake Ontario

Issued 6:30 PM EDT 11 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 6:30 PM EDT 11 May 2021 Tonight and Wednesday At 6:30 p.m. EDT tonight departing low 1008 mb located over
southeastern Quebec.

At 6:30 p.m. EDT tonight high 1028 mb located near Duluth.
By 6:30 p.m. EDT Wednesday high 1032 mb located over Lake Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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