Language selection

Government of Canada / Gouvernement du Canada

Search

Weather shortcuts

Western Lake Superior

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 10 May 2026

Today Tonight and Monday.

Wind northwest 15 knots diminishing to northwest 10 near midnight then becoming light Monday morning. Wind becoming south 10 Monday afternoon then increasing to south 15 Monday evening.

Scattered showers or scattered flurries ending this afternoon.

Waves

Issued 03:00 AM EDT 10 May 2026
Today Tonight and Monday. Waves 0.5 to 1 metre subsiding to 0.5 or less overnight.

Extended Forecast

Issued 03:00 AM EDT 10 May 2026
Tuesday Wind southeast 15 knots increasing to southeast 25 in the afternoon then diminishing to northeast 15 late in the day.
Wednesday Wind northeast 15 knots backing to northwest 20.
Thursday Wind light increasing to southeast 20 knots late in the day.

Ice Forecast*

Issued 12:00 PM EDT 9 May 2026 Today Tonight and Sunday Open water except 2 tenths rotten very thick lake ice in Nipigon Bay. 7 tenths rotten very thick lake ice in Black Bay and extreme northeastern Thunder Bay.

*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 Superior marine weather areas Kenora Airport Pukaskwa National Park Royal Island Armstrong Airport Caribou Island Marathon Airport Thunder Bay Airport Welcome Island Little Flatland Island Sault Ste. Marie Airport Wawa Airport Slate Island - 45136 Lake Of the Woods - 45148
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 9 May 2026 Today Tonight and Sunday

Ice Coverage

Open water except 2 tenths rotten very thick lake ice in Nipigon
Bay. 7 tenths rotten very thick lake ice in Black Bay and extreme
northeastern Thunder Bay.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 10 May 2026 Today Tonight and Monday At 3:00 a.m. EDT today trough from 994 mb low located on a line
north-south over eastern Ontario.
By 3:00 a.m. EDT Monday trough from 1001 mb low located over
New Brunswick.

At 3:00 a.m. EDT today ridge located on a line north-south over
Saskatchewan.
By 3:00 a.m. EDT Monday ridge located on a line north-south over
northwestern Ontario.

Great Lakes - Lake Superior 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.

Features

Colour-coded weather alerts

Learn more about weather alerting in Canada

Feedbackabout this web site
Date modified: