Language selection

Government of Canada / Gouvernement du Canada

Search

Weather shortcuts

Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 06 October 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind light becoming southwest 10 knots this afternoon then increasing to southwest 15 this evening. Wind increasing to southwest 20 late overnight and to southwest 25 Wednesday morning. Wind diminishing to west 15 Wednesday evening.

Scattered showers Wednesday morning and Wednesday evening.

Waves

Issued 10:30 AM EDT 06 October 2026
Today Tonight and Wednesday. Waves 0.5 metres or less building to 0.5 to 1 near midnight and to 1 to 1.5 early Wednesday morning.

Extended Forecast

Issued 03:00 AM EDT 06 October 2026
Thursday Wind west 15 knots increasing to west 20 in the afternoon.
Friday Wind west 15 knots.
Saturday Wind light becoming south 15 knots.

Stay connected

ATOM

List of Official Text Forecasts
Resources

Weather Conditions

Skip Image

Zoom-in to make a selection

Map of Great Lakes - Lake Huron marine weather areas Erieau CFB Trenton Muskoka Airport Parry Sound Harbour Toronto City Centre Airport Lake Simcoe Regional Airport Wiarton Airport Point Petre Lagoon City Western Islands Cobourg Port Colborne Windsor Airport Point Pelee Welland-Pelham Vineland Station Burlington Lift Bridge Southeast Shoal St. Catharines / Niagara District Airport Goderich Port Weller Long Point Harrow AAFC Hamilton Munro Int'l Airport Tobermory Sarnia Chris Hadfield Airport Oshawa Executive Airport Collingwood 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 Peterborough Municipal Airport Brockville Grenadier Island Kingston 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 17 May 2026 Forecasts have ended for the season.
Warnings

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 10:30 AM EDT 06 October 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 6 October 2026 Today Tonight and Wednesday At 10:30 a.m. EDT today ridge located on a line north-south over
Pennsylvania.
By 10:30 a.m. EDT Wednesday departing ridge located on a line
northwest-southeast over New Brunswick.

At 10:30 a.m. EDT today low 996 mb located over northern Manitoba.
By 10:30 a.m. EDT Wednesday low 993 mb located over James Bay.

At 10:30 a.m. EDT today cold front from low located on a line
north-south over the Ontario - Manitoba border.
By 10:30 a.m. EDT Wednesday cold front from low located on a line
northeast-southwest over Lake Huron.

Great Lakes - Lake Huron 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.

Feedbackabout this web site
Date modified: