Language selection

Government of Canada / Gouvernement du Canada

Search

My Weather Profile Weather Topics  | 

Southern Georgian Bay

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 29 March 2023

Today Tonight and Thursday.

Gale warning in effect.

Wind southwest 15 knots increasing to southwest 20 early this morning and to west 30 near noon. Wind increasing to northwest 35 this afternoon then diminishing to northwest 30 this evening. Wind diminishing to west 15 Thursday morning then backing to southwest 15 near noon Thursday. Wind diminishing to south 10 Thursday evening.

Scattered flurries today and tonight.

Risk of freezing spray overnight and Thursday morning.

Waves

Issued 03:00 AM EDT 29 March 2023
Today Tonight and Thursday. Waves 0.5 to 1 metre building to 1 to 1.5 this morning and to 2 to 3 this afternoon. Waves subsiding to 2 overnight and to 0.5 to 1 Thursday morning.

Extended Forecast

Issued 03:00 AM EDT 29 March 2023
Friday Wind south 15 knots increasing to south 25 in the morning then diminishing to light late in the day.
Saturday Wind northeast 20 knots increasing to north 35.
Sunday Wind northwest 25 knots backing to southwest 20.

Ice Forecast*

Issued 12:00 PM EDT 28 March 2023 Today Tonight and Wednesday Open water except 1 tenth thick lake ice along the northeastern shore. CONSOLIDATED rotten thick lake ice along parts of the northeastern 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 N Huron - 45003 W Erie - 45005 S Huron - 45008 Lake Ontario - 45012 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 Great Duck Island Brockville Grenadier Island Kingston Airport Collingwood Lagoon City Muskoka Airport Parry Sound Harbour Lake Simcoe Regional Airport Wiarton Airport Western Islands Cove Island Goderich Sarnia Chris Hadfield Airport Tobermory Harrow AAFC Long Point Port Weller St. Catharines / Niagara District Airport Southeast Shoal Vineland Station Welland-Pelham Windsor Airport Port Colborne Erieau Point Pelee Burlington Lift Bridge Cobourg Hamilton Munro Int'l Airport Oshawa Executive Airport Point Petre Toronto City Centre Airport CFB Trenton Peterborough Municipal 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 28 March 2023 Today Tonight and Wednesday

Ice Coverage

Open water except 1 tenth thick lake ice along the northeastern
shore. CONSOLIDATED rotten thick lake ice along parts of the
northeastern shore.

Warnings

Warnings (In effect)

Gale warning in effect

Southern Georgian Bay

Issued 03:00 AM EDT 29 March 2023

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 3:00 AM EDT 29 March 2023 Today Tonight and Thursday At 3:00 a.m. EDT today departing ridge located on a line east-west
over New England.

At 3:00 a.m. EDT today cold front located on a line
northeast-southwest over Whitefish Bay.
By 3:00 a.m. EDT Thursday departing cold front located on a line
north-south over New England.

At 3:00 a.m. EDT today high 1031 mb located over North Dakota.
By 3:00 a.m. EDT Thursday high 1029 mb located over Michigan.

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.

What we are doing

Weather Forecasts

Weather Alerts

Weather Resources

Feedback about this web site
Date modified: