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Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 18 January 2022

Today Tonight and Wednesday.

Gale warning in effect.

Wind northwest 25 knots diminishing to northwest 10 near noon then becoming light this afternoon. Wind increasing to southeast 15 this evening then veering to south 20 near midnight. Wind increasing to southwest 30 overnight and to southwest 35 Wednesday morning. Wind diminishing to west 30 Wednesday afternoon then veering to northwest 25 Wednesday evening.

Periods of snow beginning this evening changing to showers near noon Wednesday. Visibility 1 mile or less in snow.

Waves

Issued 03:00 AM EST 18 January 2022
Today Tonight and Wednesday. Waves 0.5 to 1 metre subsiding to 0.5 or less this afternoon then building to 1 near midnight. Waves building to 2 Wednesday morning and to 2 to 3 near noon Wednesday.

Extended Forecast

Issued 03:00 AM EST 18 January 2022
Thursday Wind northwest 20 knots diminishing to light in the afternoon.
Friday Wind north 15 knots diminishing to light.
Saturday Wind light.

Ice Forecast*

Issued 12:00 PM EST 17 January 2022 Today Tonight and Tuesday Open water except 3 tenths new lake ice along parts of the shore.

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

 

[ Canadian Ice Service ]

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Weather Conditions

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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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Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EST 17 January 2022 Today Tonight and Tuesday

Ice Coverage

Open water except 3 tenths new lake ice along parts of the shore.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 03:00 AM EST 18 January 2022

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 EST 18 January 2022 Today Tonight and Wednesday At 3:00 a.m. EST today departing low 978 mb located north of the
Gulf of St. Lawrence.

At 3:00 a.m. EST today ridge located on a line north-south over
Lake Superior.
By 3:00 a.m. EST Wednesday ridge located on a line north-south
over New England.

At 3:00 a.m. EST today low 997 mb located over southwestern
Manitoba.
By 3:00 a.m. EST Wednesday low 996 mb located over Whitefish Bay.

Great Lakes - Lake Erie and Lake Ontario Area

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