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Western Lake Ontario

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Forecast

Marine Forecast

Issued 10:30 AM EDT 14 June 2021

Today Tonight and Tuesday.

Wind west 15 knots backing to southwest 15 this afternoon then diminishing to west 10 early this evening. Wind veering to northwest 10 late overnight then increasing to north 15 Tuesday evening.

Scattered showers ending near noon Tuesday with a risk of thunderstorms.

Waves

Issued 10:30 AM EDT 14 June 2021
Today Tonight and Tuesday. Waves one half metre.

Extended Forecast

Issued 03:00 AM EDT 14 June 2021
Wednesday Wind north 15 knots backing to west 15 in the afternoon.
Thursday Wind light becoming southwest 15 knots.
Friday Wind southwest 15 knots increasing to southwest 20.

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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)

Squall warning in effect

Western Lake Ontario

Issued 4:32 PM EDT 14 June 2021 Squalls with wind gusts up to 35 knots and frequent lightning are expected or occurring in the area.

Thunderstorms near and south of Mississauga are moving southeast at 20 knots. Wind gusts of 35 knots are expected along with small hail.

Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.

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 10:30 AM EDT 14 June 2021 Today Tonight and Tuesday At 10:30 a.m. EDT today trough located on a line northeast-southwest
over southern Ontario.
By 10:30 a.m. EDT Tuesday trough located on a line
northeast-southwest over New York State.

At 10:30 a.m. EDT today ridge located on a line north-south over
western Manitoba.
By 10:30 a.m. EDT Tuesday ridge located on a line
northeast-southwest over northwestern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

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