Language selection

Government of Canada / Gouvernement du Canada

Search

Weather shortcuts

Northern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 10:30 AM EDT 28 April 2025

Today Tonight and Tuesday.

Wind southeast 15 knots veering to south 20 near midnight then to southwest 25 early Tuesday morning. Wind veering to west 30 Tuesday evening.

Scattered showers overnight and Tuesday with a risk of thunderstorms. Fog patches forming Tuesday morning and dissipating Tuesday evening.

Waves

Issued 10:30 AM EDT 28 April 2025
Today Tonight and Tuesday. Waves 0.5 metres building to 1 to 1.5 late overnight and to 2 Tuesday morning.

Extended Forecast

Issued 03:00 AM EDT 28 April 2025
Wednesday Wind north 20 knots diminishing to light in the morning.
Thursday Wind light becoming east 15 knots late in the day.
Friday Wind northeast 15 knots backing to northwest 20.

Ice Forecast*

Issued 12:00 PM EDT 27 April 2025 Today Tonight and Monday Open water except 1 tenth thick lake ice along parts of the northern 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 Harrow AAFC Burlington Lift Bridge Oshawa Executive Airport Point Pelee Peterborough Municipal Airport Point Petre Hamilton Munro Int'l Airport Erieau Cobourg Toronto City Centre Airport Port Colborne CFB Trenton South Lake Huron - 45149 Windsor Airport Great Duck Island Gore Bay-Manitoulin Airport North Bay Airport Greater Sudbury Airport Killarney Sault Ste. Marie Airport Ajax - 45159 North Channel - 45154 Lake Nipissing - 45152 Lake Simcoe - 45151 Welland-Pelham Lake St Clair - 45147 South Georgian Bay - 45143 Port Colborne - 45142 Grimsby - 45139 Georgian Bay - 45137 Prince Edward Point - 45135 Port Stanley - 45132 Vineland Station Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Cove Island Goderich Sarnia Chris Hadfield Airport Western Islands Tobermory Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal
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 27 April 2025 Today Tonight and Monday

Ice Coverage

Open water except 1 tenth thick lake ice along parts of the northern
shore.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 28 April 2025 Today Tonight and Tuesday At 10:30 a.m. EDT today departing ridge located on a line
north-south over eastern Ontario.

At 10:30 a.m. EDT today departing trough located on a line
northeast-southwest over northern Ontario.

At 10:30 a.m. EDT today low 995 mb located over southeastern
South Dakota.
By 10:30 a.m. EDT Tuesday low 997 mb located over northeastern
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: