Language selection

Weather shortcuts

Western Lake Ontario

Forecast

Marine Forecast

Issued 03:00 AM EDT 24 April 2024

Today Tonight and Thursday.

Wind west 15 knots veering to north 15 this morning then diminishing to north 10 this afternoon. Wind becoming variable 10 early this evening then increasing to northeast 15 near midnight. Wind diminishing to east 10 Thursday morning then becoming variable 10 Thursday afternoon.

Showers ending this afternoon.

Waves

Issued 03:00 AM EDT 24 April 2024
Today Tonight and Thursday. Waves 1 to 1.5 metres subsiding to 0.5 to 1 early this morning and to 0.5 or less early this evening. Waves building to 0.5 to 1 overnight then subsiding to 0.5 or less near noon Thursday.

Extended Forecast

Issued 03:00 AM EDT 24 April 2024
Friday Wind light becoming east 15 knots in the morning.
Saturday Wind southeast 15 knots veering to south 20 late in the day.
Sunday Wind south 20 knots diminishing to light late in the day.

Ice Forecast*

Issued 12:00 PM EDT 23 April 2024 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 EDT 23 April 2024 Today Tonight and Wednesday

Ice Coverage

Ice free.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 24 April 2024 Today Tonight and Thursday At 3:00 a.m. EDT today trough located on a line northeast-southwest
over southern Ontario.
By 3:00 a.m. EDT Thursday trough located on a line
northeast-southwest over Nova Scotia.

At 3:00 a.m. EDT today high 1026 mb located over northern Ontario.
By 3:00 a.m. EDT Thursday high 1030 mb located over northwestern
Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Date modified: