Language selection

Government of Canada / Gouvernement du Canada

Search

Features

Colour-coded Weather Alerts

Colour-coded Weather Alerts

Weather shortcuts

Cornwall to Montréal: Past 24 Hour Conditions

Warnings

 

Sarnia Chris Hadfield Airport

11:00 PM EST 12 December 2025
Disclaimer

This table is a summary of hourly weather conditions for the past 24 hours.
Please note that these observations might not always be representative of weather conditions over their associated marine area.
Date / Time
(EST)		 Wind(knots) Conditions Visibility(km) Pressure(kPa) Air temp(°C) Relative humidity(%) Dew point(°C) Wind Chill
12 December 2025
23:00 SSW 11 gusts 17 Light Snow 16 101.6 -3 69 -7 -9
22:00 SSW 7 Cloudy 16 101.7 -3 72 -7 -8
21:00 SSW 7 Cloudy 16 101.8 -3 70 -8 -8
20:00 SSW 9 Cloudy 16 101.8 -4 71 -8 -9
19:00 S 7 Partly Cloudy 16 101.9 -4 70 -8 -9
18:00 SW 7 gusts 15 Cloudy 16 101.8 -2 58 -9 -7
17:00 SSW 6 Cloudy 16 101.9 -2 61 -9 -6
16:00 SW 8 Cloudy 16 101.9 -2 59 -9 -7
15:00 W 5 Mostly Cloudy 16 101.9 -2 59 -9 -5
14:00 W 7 Mainly Sunny 16 101.9 -2 59 -9 -7
13:00 WNW 8 Mainly Sunny 16 102.0 -2 59 -9 -7
12:00 WNW 6 Sunny 16 102.0 -2 60 -9 -6
11:00 W 6 Partly Cloudy 16 102.1 -3 64 -9 -8
10:00 W 5 Sunny 16 102.1 -5 71 -10 -9
9:00 W 5 Sunny 16 102.0 -8 80 -10 -12
8:00 WSW 2 Mainly Sunny 16 102.0 -10 87 -12 -12
7:00 WSW 2 Clear 16 102.0 -11 87 -13 -13
6:00 WSW 3 Clear 16 101.9 -10 85 -12 -13
5:00 WSW 5 Clear 16 101.9 -9 83 -12 -14
4:00 WSW 5 Clear 16 101.9 -8 79 -11 -13
3:00 W 5 Clear 16 101.9 -8 77 -11 -12
2:00 W 6 Clear 16 101.8 -6 76 -10 -11
1:00 WNW 6 Mostly Cloudy 16 101.8 -5 63 -11 -9
0:00 NNW 9 Cloudy 16 101.7 -4 70 -9 -10
11 December 2025
23:00 NNW 11 gusts 17 Light Snow 16 101.7 -4 70 -8 -10

If you require additional historical weather information, please visit Climate Data Online

Zoom-in to make a selection

Map of Great Lakes - Lake Huron marine weather areas Cove Island Goderich Oshawa Executive Airport CFB Trenton Western Islands Wiarton Airport Point Petre Lake Simcoe Regional Airport Parry Sound Harbour Toronto City Centre Airport Muskoka Airport Lagoon City Brockville Hamilton Munro Int'l Airport Sarnia Chris Hadfield Airport Tobermory Cobourg Harrow AAFC Long Point Port Weller Burlington Lift Bridge St. Catharines / Niagara District Airport Southeast Shoal Point Pelee Vineland Station Welland-Pelham Erieau Windsor Airport Port Colborne Killarney South Georgian Bay - 45143 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Lake St Clair - 45147 South Lake Huron - 45149 Sault Ste. Marie Airport Lake Simcoe - 45151 Collingwood Greater Sudbury Airport North Bay Airport Kingston Airport Peterborough Municipal Airport Grenadier Island Port Colborne - 45142 Great Duck Island Ajax - 45159 Gore Bay-Manitoulin Airport North Channel - 45154 Lake Nipissing - 45152
Legend:
buoy Buoy
land station Land Station

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: