Language selection

Government of Canada / Gouvernement du Canada

Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 19 March 2026

Today Tonight and Friday.

Wind southwest 15 knots veering to west 15 early this morning then diminishing to west 10 early this evening. Wind becoming light late this evening then increasing to southeast 20 Friday morning. Wind diminishing to west 10 near noon Friday then increasing to northwest 15 Friday afternoon. Wind diminishing to light Friday evening.

Periods of snow ending early this morning. Rain beginning overnight with a risk of freezing rain and changing to scattered showers near noon Friday and ending Friday afternoon. Visibility 1 mile or less in precipitation.

Waves

Issued 03:00 AM EDT 19 March 2026
Today Tonight and Friday. Over open water waves 0.5 to 1 metre subsiding to 0.5 or less early this evening then building to 1 Friday morning. Waves subsiding to 0.5 or less Friday afternoon.

Extended Forecast

Issued 03:00 AM EDT 19 March 2026
Saturday Wind light.
Sunday Wind light increasing to northeast 20 knots.
Monday Wind north 15 knots.

Ice Forecast*

Issued 12:00 PM EDT 18 March 2026 Today Tonight and Thursday 2 tenths thick lake ice except 9 tenths thick lake ice in the northern section. Consolidated thick lake ice along parts of the shore.

*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
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 18 March 2026 Today Tonight and Thursday

Ice Coverage

2 tenths thick lake ice except 9 tenths thick lake ice in the
northern section. Consolidated thick lake ice along parts of the
shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 19 March 2026 Today Tonight and Friday At 3:00 a.m. EDT today low 1010 mb located over northeastern
Ontario.
By 3:00 a.m. EDT Friday departing low 1013 mb located over Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
eastern Manitoba.
By 3:00 a.m. EDT Friday ridge located on a line north-south over
eastern Ontario.

By 3:00 a.m. EDT Friday low 1005 mb located over northwestern
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.

Feedbackabout this web site
Date modified: