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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 17 October 2019

Today Tonight and Friday.

Strong wind warning in effect.

Wind northwest 25 knots increasing to northwest 30 this morning then diminishing to northwest 20 this evening. Wind diminishing to northwest 15 Friday morning and to northwest 10 Friday afternoon. Wind becoming light Friday evening.

Showers today.

Waves

Issued 03:00 AM EDT 17 October 2019
Today Tonight and Friday. Waves one half metre building to one early this morning and to 2 near noon. Waves subsiding to one near midnight and to one half metre or less near noon Friday.

Extended Forecast

Issued 03:00 AM EDT 17 October 2019
Saturday Wind light becoming south 15 knots late in the day.
Sunday Wind south 15 knots diminishing to light.
Monday Wind light increasing to east 20 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 19 May 2019 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 19 May 2019

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 03:00 AM EDT 17 October 2019

'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 17 October 2019 Today Tonight and Friday At 3:00 a.m. EDT today low 982 mb located over New England.
By 3:00 a.m. EDT Friday low 990 mb located over New Brunswick.

At 3:00 a.m. EDT today dissipating trough from low located on a
line northwest-southeast over eastern Ontario.

At 3:00 a.m. EDT today ridge located on a line north-south over
northwestern Ontario.
By 3:00 a.m. EDT Friday ridge located on a line north-south over
Lake Superior.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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