Language selection

Features

My Weather Profile Weather Topics  | 

Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 10 December 2019

Today Tonight and Wednesday.

Gale warning in effect.

Wind west 20 knots increasing to west 30 near noon Wednesday and to west 35 Wednesday afternoon. Wind diminishing to west 25 Wednesday evening.

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

Risk of freezing spray Wednesday afternoon and evening.

Waves

Issued 10:30 AM EST 10 December 2019
Today Tonight and Wednesday. Waves one metre building to 2 early this evening then subsiding to one late overnight. Waves building to 2 Wednesday morning and 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 10 December 2019 Today Tonight and Wednesday Ice free.

*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 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
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 10 December 2019 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Gale warning in effect

Western Lake Ontario

Issued 10:30 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 10:30 AM EST 10 December 2019 Today Tonight and Wednesday At 10:30 a.m. EST today departing trough from low located on a
line northeast-southwest over southern Ontario.

At 10:30 a.m. EST today quasi-stationary ridge located on a line
east-west over northern Ontario.

At 10:30 a.m. EST today low 1014 mb located over Lake Superior.
By 10:30 a.m. EST Wednesday low 1014 mb located over northeastern
Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

What we are doing

Date modified: