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Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 05 August 2020

Today Tonight and Thursday.

Strong wind warning in effect.

Wind west 20 knots diminishing to northwest 15 near midnight and to light Thursday morning.

Showers ending this morning.

Waves

Issued 03:00 AM EDT 05 August 2020
Today Tonight and Thursday. Waves one metre building to one and one half metres early this morning then subsiding to one overnight. Waves subsiding to one half metre or less Thursday morning.

Extended Forecast

Issued 03:00 AM EDT 05 August 2020
Friday Wind light.
Saturday Wind light.
Sunday Wind light becoming southwest 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 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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» 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

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 03:00 AM EDT 05 August 2020

'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 3:00 AM EDT 5 August 2020 Today Tonight and Thursday At 3:00 a.m. EDT today low 1002 mb located over southern Quebec.
By 3:00 a.m. EDT Thursday low 1000 mb located over central Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
western Lake Superior.
By 3:00 a.m. EDT Thursday ridge located on a line north-south over
Lower Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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