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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 11 August 2020

Today Tonight and Wednesday.

Wind south 15 knots increasing to west 15 to 20 this afternoon then diminishing to northwest 10 this evening. Wind becoming light Wednesday morning.

Risk of thunderstorms this afternoon and this evening.

Waves

Issued 10:30 AM EDT 11 August 2020
Today Tonight and Wednesday. Waves one half metre or less building to one near noon then subsiding to one half metre or less near midnight.

Extended Forecast

Issued 03:00 AM EDT 11 August 2020
Thursday Wind light.
Friday Wind light.
Saturday Wind east 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday Forecasts available to mariners upon request.

*Ice Forecast and Warnings also apply to U.S. waters

 

[ Canadian Ice Service ]

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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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» US Marine Weather
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday

Ice Coverage

Forecasts available to mariners upon request.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 11 August 2020 Today Tonight and Wednesday At 10:30 a.m. EDT today cold front located on a line
northeast-southwest over southern Ontario.
By 10:30 a.m. EDT Wednesday departing cold front located on a line
northeast-southwest over the Eastern Seaboard.

At 10:30 a.m. EDT today ridge from 1015 mb high located over Iowa
extending northwestward.
By 10:30 a.m. EDT Wednesday ridge from 1016 mb high located from
Lower Michigan to Lake of the Woods.

Great Lakes - Lake Huron Area

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