Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 20 June 2018

Today Tonight and Thursday.

Wind light becoming southwest 10 knots this afternoon then increasing to northeast 15 near midnight. Wind diminishing to variable 10 near noon Thursday.

Waves

Issued 10:30 AM EDT 20 June 2018
Today Tonight and Thursday. Waves one half metre or less building to one half to one metre late overnight then subsiding to one half metre or less Thursday afternoon.

Extended Forecast

Issued 03:00 AM EDT 20 June 2018
Friday Wind light becoming east 15 knots late in the day.
Saturday Wind east 15 knots.
Sunday Wind southeast 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 22 May 2018 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 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 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 22 May 2018

Ice Coverage

Forecasts available to mariners upon request.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 20 June 2018 Today Tonight and Thursday At 10:30 a.m. EDT today low 1010 mb located over northwestern
Missouri.
By 10:30 a.m. EDT Thursday low 1006 mb located over western Iowa.

At 10:30 a.m. EDT today cold front located from Lake Winnipeg
to Quebec.
By 10:30 a.m. EDT Thursday weakening cold front located on a line
east-west over northern Ohio.

At 10:30 a.m. EDT today high 1020 mb located over northwestern
Ontario.
By 10:30 a.m. EDT Thursday high 1019 mb located south of James Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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