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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 10 December 2019

Today Tonight and Wednesday.

Gale warning in effect.

Wind west 30 knots diminishing to west 20 early this morning then increasing to west 30 near noon Wednesday. Wind increasing to west 35 Wednesday afternoon then diminishing to west 25 Wednesday evening.

Showers this morning. Flurries this afternoon and this evening. Flurries Wednesday evening. Visibility 1 mile or less in flurries.

Waves

Issued 03:00 AM EST 10 December 2019
Today Tonight and Wednesday. Waves 2 metres building to 3 Wednesday afternoon.

Extended Forecast

Issued 03:00 AM EST 10 December 2019
Thursday Wind west 30 knots diminishing to light in the morning then becoming south 15 late in the day.
Friday Wind south 15 knots increasing to south 20.
Saturday Wind light becoming west 15 knots late in the day.

Ice Forecast*

Issued 12:00 PM EST 9 December 2019 Today Tonight and Tuesday Ice free.

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

 

[ Canadian Ice Service ]

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Map of Great Lakes - Lake Huron 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 EST 9 December 2019 Today Tonight and Tuesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 03:00 AM EST 10 December 2019

'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 10 December 2019 Today Tonight and Wednesday At 3:00 a.m. EST today departing low 988 mb located over central
Quebec.

At 3:00 a.m. EST today departing trough from low located on a line
northeast-southwest over central Georgian Bay.

At 3:00 a.m. EST today ridge located on a line northeast-southwest
over northwestern Ontario.
By 3:00 a.m. EST Wednesday ridge located on a line north-south
over eastern Ontario.

Great Lakes - Lake Huron Area

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Marine Weather for Canada

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