Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EST 18 December 2017

Today Tonight and Tuesday.

Gale warning in effect.

Wind variable 10 knots increasing to southwest 25 near noon and to southwest 35 Tuesday morning. Wind diminishing to southwest 30 near noon Tuesday then veering to west 30 Tuesday afternoon.

Periods of snow with a risk of freezing drizzle changing to chance of showers today.

Waves

Issued 03:00 AM EST 18 December 2017
Today Tonight and Tuesday. Waves one half metre building to 2 this afternoon and to 3 near noon Tuesday.

Extended Forecast

Issued 03:00 AM EST 18 December 2017
Wednesday Wind west 30 knots.
Thursday Wind northwest 15 knots diminishing to light.
Friday Wind east 20 knots.

Ice Forecast*

Issued 12:00 PM EST 17 December 2017 Today Tonight and Monday Open water except 9 tenths new lake ice including 2 tenths thin lake ice in the Bay Of Quinte.

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

 

[ Canadian Ice Service ]

Stay connected

ATOM

Weather Conditions

Skip Image

Zoom-in to make a selection

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 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 Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Port Weller St. Catharines Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal Airport Killarney Western Islands Cove Island Long Point Port Colborne Erieau Point Pelee
Legend:
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 17 December 2017 Today Tonight and Monday

Ice Coverage

Open water except 9 tenths new lake ice including 2 tenths thin lake
ice in the Bay Of Quinte.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 03:00 AM EST 18 December 2017

'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 December 2017 Today Tonight and Tuesday At 3:00 a.m. EST today departing ridge located on a line north-south
over New Hampshire.

At 3:00 a.m. EST today low 985 mb located over northern Manitoba.
By 3:00 a.m. EST Tuesday low 980 mb located over Hudson Bay.

At 3:00 a.m. EST Tuesday approaching trough located on a line
north-south over eastern Lake Superior.

Great Lakes - Lake Huron Area

Another Region

What we are doing

Date modified: