Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 September 2018

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind east 20 knots veering to southeast 20 early this evening then diminishing to southeast 15 near midnight. Wind increasing to south 20 Tuesday morning then diminishing to southwest 15 near noon Tuesday.

A few showers beginning near midnight. Risk of thunderstorms Tuesday afternoon and evening.

Waves

Issued 03:00 AM EDT 24 September 2018
Today Tonight and Tuesday. Waves one half metre building to one early this morning then subsiding to one half metre overnight.

Extended Forecast

Issued 03:00 AM EDT 24 September 2018
Wednesday Wind southwest 20 knots veering to northwest 15 late in the day.
Thursday Wind northwest 15 knots diminishing to light.
Friday Wind west 20 knots.

Ice Forecast*

Issued 12:00 PM EDT 6 July 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 6 July 2018

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 24 September 2018

'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 24 September 2018 Today Tonight and Tuesday At 3:00 a.m. EDT today ridge located on a line northwest-southeast
over southern Quebec.
By 3:00 a.m. EDT Tuesday departing ridge located on a line
north-south over Nova Scotia.

At 3:00 a.m. EDT today warm front from 1004 mb low located from
South Dakota to Whitefish Bay.
By 3:00 a.m. EDT Tuesday warm front from 998 mb low located on a
line northwest-southeast over southern James Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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