Language selection

Government of Canada / Gouvernement du Canada

Search

My Weather Profile Weather Topics  | 

Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 20 March 2023

Today Tonight and Tuesday.

Wind southwest 25 knots diminishing to southwest 15 Tuesday morning and to variable 10 near noon Tuesday.

Scattered showers overnight.

Waves

Issued 03:00 AM EDT 20 March 2023
Today Tonight and Tuesday. Waves 2 metres subsiding to 1 to 1.5 early this evening and to 0.5 to 1 Tuesday morning. Waves subsiding to 0.5 or less Tuesday afternoon.

Extended Forecast

Issued 03:00 AM EDT 20 March 2023
Wednesday Wind light.
Thursday Wind light increasing to southwest 25 knots.
Friday Wind west 20 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 19 March 2023 Today Tonight and Monday Open water.

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

 

[ Canadian Ice Service ]

Stay connected

ATOM

List of Official Text Forecasts
Resources

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 19 March 2023 Today Tonight and Monday

Ice Coverage

Open water.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 20 March 2023 Today Tonight and Tuesday At 3:00 a.m. EDT today cold front located on a line east-west over
Whitefish Bay.
By 3:00 a.m. EDT Tuesday weakening trough located on a line
northeast-southwest over Lake Simcoe.

At 3:00 a.m. EDT today high 1030 mb located over Tennessee.
By 3:00 a.m. EDT Tuesday high 1031 mb located over West Virginia.

At 3:00 a.m. EDT today ridge located on a line north-south over
western Manitoba.
By 3:00 a.m. EDT Tuesday ridge located on a line northwest-southeast
over northern Ontario.

Great Lakes - Lake Erie and Lake Ontario Area

Another Region

Marine Weather for Canada

Weather shortcuts


How to use
  • Add to shortcuts
    • Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button
    • Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name.
    • Click on the "Save" button to add the link to the list
    • Click on the "X" button to close the panel
  • Delete a link
    • Click on the "Organize shortcuts" button
    • Select the link to delete
    • Click on the "Delete" button to remove the link from the list
    • Click on the "Close" button to save the change
  • Move a link up/down the list
    • Click on the "Organize shortcuts" button
    • Click and hold the link and move to new location in the list
    • Click on the "Close" button to save the change
  • Rename a link
    • Click on the "Organize shortcuts" button
    • Select the link to rename
    • Click on the "Rename" button and change the link name
    • Click the enter or tab key
    • Click on the "Close" button to save the change
  • Keyboard navigation
    • Use the Tab key to move to a button or link
    • Use the Enter key to click on buttons or links
    • Organize shortcuts navigation
      • Use the ↑ Up key to select the link above. If none are selected, it will select the first link
      • Use the ↓ Down key to select the link below. If none are selected, it will select the last link
      • Use the Page Up key to move a selection up in the list
      • Use the Page Down key to move a selection down in the list
  • Restore default list

    Warning: Clicking on the button below will remove all your customized links.

Customized Weather shortcuts

Save your customized list as a bookmark.

Copy/paste or click on the link below then when the page displays, you can bookmark the page using the web browser. Bookmarking your customized list will allow you to access it even if the local storage on your device is erased.

What we are doing

Weather Forecasts

Weather Alerts

Weather Resources

Feedback about this web site
Date modified: