Language selection

Weather shortcuts

Western Lake Ontario

Forecast

Marine Forecast

Issued 10:30 AM EST 27 November 2024

Today Tonight and Thursday.

Strong wind warning in effect.

Wind west 20 knots diminishing to southwest 15 this afternoon and to variable 10 near midnight. Wind becoming northwest 10 Thursday afternoon.

Scattered showers overnight and Thursday morning.

Waves

Issued 10:30 AM EST 27 November 2024
Today Tonight and Thursday. Waves 1.5 metres subsiding to 0.5 to 1 early this evening and to 0.5 late overnight.

Extended Forecast

Issued 03:00 AM EST 27 November 2024
Friday Wind west 15 knots increasing to west 25 in the afternoon.
Saturday Wind west 30 knots.
Sunday Wind west 25 knots.

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 EDT 27 April 2024 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 10:30 AM EST 27 November 2024

'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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EST 27 November 2024 Today Tonight and Thursday At 10:30 a.m. EST today quasi-stationary low 997 mb located over
southern James Bay.

At 10:30 a.m. EST today quasi-stationary ridge located on a line
northwest-southeast over North Dakota.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Date modified: