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Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EST 15 December 2019

Today Tonight and Monday.

Gale warning in effect.

Wind west 35 knots diminishing to west 25 this morning then veering to northwest 20 this afternoon. Wind diminishing to northwest 15 this evening and to light overnight. Wind becoming northeast 10 Monday evening.

Showers or flurries becoming flurries early this morning and ending overnight.

Waves

Issued 03:00 AM EST 15 December 2019
Today Tonight and Monday. Waves 2 to 3 metres subsiding to one early this evening and to one half metre or less Monday morning.

Extended Forecast

Issued 03:00 AM EST 15 December 2019
Tuesday Wind northeast 20 knots backing to northwest 15 in the afternoon then increasing to west 25 late in the day.
Wednesday Wind west 25 knots increasing to west 30.
Thursday Wind northwest 20 knots.

Ice Forecast*

Issued 12:00 PM EST 14 December 2019 Today Tonight and Sunday Ice free.

*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 EST 14 December 2019 Today Tonight and Sunday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 03:00 AM EST 15 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 15 December 2019 Today Tonight and Monday At 3:00 a.m. EST today low 975 mb located over southern Quebec.
By 3:00 a.m. EST Monday low 965 mb located over Labrador.

At 3:00 a.m. EST today high 1021 mb located over Minnesota.
By 3:00 a.m. EST Monday high 1026 mb located over Pennsylvania.

By 3:00 a.m. EST Monday ridge located on a line east-west over
Lower Michigan.

Great Lakes - Lake Erie and Lake Ontario Area

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Marine Weather for Canada

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