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Eastern Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 05 December 2019

Today Tonight and Friday.

Wind northwest 20 knots increasing to northwest 25 this morning then diminishing to northwest 15 early this evening. Wind diminishing to southwest 10 near midnight then backing to southeast 10 Friday morning. Wind increasing to northwest 20 near noon Friday then diminishing to northwest 15 Friday evening.

Flurries overnight and Friday. Visibility as low as 1 mile in flurries.

Waves

Issued 03:00 AM EST 05 December 2019
Today Tonight and Friday. Waves one metre building to one and one half metres near noon then subsiding to one half metre this evening. Waves building to one Friday afternoon.

Extended Forecast

Issued 03:00 AM EST 05 December 2019
Saturday Wind northwest 15 knots diminishing to light in the afternoon.
Sunday Wind south 20 knots increasing to south 25.
Monday Wind south 25 knots diminishing to south 15.

Ice Forecast*

Issued 12:00 PM EST 4 December 2019 Today Tonight and Thursday Open water.

*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 / 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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land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 4 December 2019 Today Tonight and Thursday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EST 5 December 2019 Today Tonight and Friday At 3:00 a.m. EST today ridge located on a line north-south over
western Lake Superior.
By 3:00 a.m. EST Friday ridge located on a line northeast-southwest
over Pennsylvania.

At 3:00 a.m. EST today low 1008 mb located over North Dakota.
By 3:00 a.m. EST Friday low 1012 mb located over Lake Huron.

By 3:00 a.m. EST Friday building ridge located on a line
northeast-southwest over northwestern Ontario.

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