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Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 14 December 2019

Today Tonight and Sunday.

Gale warning in effect.

Wind north 15 knots increasing to northwest 25 this afternoon then backing to west 30 this evening. Wind increasing to west 35 near midnight then diminishing to west 30 Sunday morning. Wind diminishing to northwest 20 Sunday afternoon and to northwest 15 Sunday evening.

Rain becoming snow or rain this evening then showers or flurries near midnight. Flurries Sunday.

Waves

Issued 10:30 AM EST 14 December 2019
Today Tonight and Sunday. Waves one half metre building to one early this evening and to 2 to 3 near midnight. Waves subsiding to one Sunday evening.

Extended Forecast

Issued 03:00 AM EST 14 December 2019
Monday Wind light becoming east 15 knots in the afternoon.
Tuesday Wind north 15 knots backing to west 20 late in the day.
Wednesday Wind west 30 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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buoy Buoy
land station Land Station
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 10:30 AM EST 14 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 10:30 AM EST 14 December 2019 Today Tonight and Sunday At 10:30 a.m. EST today dissipating trough located on a line
north-south over the Ontario - Quebec border.

At 10:30 a.m. EST today low 995 mb located southeast of
Pennsylvania.
By 10:30 a.m. EST Sunday deepening low 971 mb located southwest
of Prince Edward Island.

At 10:30 a.m. EST today high 1025 mb located over southwestern
Manitoba.
By 10:30 a.m. EST Sunday high 1024 mb located over southern
Minnesota.

Great Lakes - Lake Erie and Lake Ontario Area

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