Language selection

My Weather Profile Weather Topics  | 

Western Lake Ontario


Marine Forecast

Issued 06:30 PM EDT 16 October 2021

Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 30 knots diminishing to west 20 this evening then veering to northwest 25 Sunday afternoon.

Scattered showers with a risk of waterspouts.


Issued 06:30 PM EDT 16 October 2021
Tonight and Sunday. Waves 1.5 metres.

Extended Forecast

Issued 06:30 PM EDT 16 October 2021
Monday Wind northwest 20 knots.
Tuesday Wind west 20 knots increasing to west 25.
Wednesday Wind west 15 knots.

Stay connected


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 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
buoy Buoy
land station Land Station
Ice Conditions

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

Ice Forecasts

Issued 12:00 PM EDT 9 May 2021 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 6:30 PM EDT 16 October 2021

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.


Technical Marine Synopsis

Issued 6:30 PM EDT 16 October 2021 Tonight and Sunday At 6:30 p.m. EDT tonight low 993 mb located over central Quebec.
By 6:30 p.m. EDT Sunday low 992 mb located east of Hudson Bay.

At 6:30 p.m. EDT tonight ridge located on a line north-south over
southern Saskatchewan.
By 6:30 p.m. EDT Sunday ridge located on a line north-south over
northwestern Ontario.

Great Lakes - Lake Huron Area

Another Region

What we are doing

Date modified: