Language selection

Government of Canada / Gouvernement du Canada

Search

Features

Download our new mobile weather app

Download our new mobile weather app

My Weather Profile Weather Topics  | 

Eastern Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 03:00 AM EDT 21 October 2020

Today Tonight and Thursday.

Strong wind warning in effect.

Wind south 20 knots veering to southwest 25 near noon then diminishing to west 15 early this evening. Wind diminishing to west 10 after midnight then becoming light Thursday morning. Wind becoming east 15 Thursday evening.

Showers today with a risk of thunderstorms.

Waves

Issued 03:00 AM EDT 21 October 2020
Today Tonight and Thursday. Waves one half metre or less building to one early this morning and to one and one half metres this afternoon. Waves subsiding to one this evening and to one half metre or less Thursday morning.

Extended Forecast

Issued 03:00 AM EDT 21 October 2020
Friday Wind southeast 15 knots veering to southwest 20 late in the day.
Saturday Wind southwest 20 knots veering to northwest 15.
Sunday Wind northeast 15 knots increasing to northeast 20.

Ice Forecast*

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday Forecasts available to mariners upon request.

*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 Huron 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
» US Marine Weather
Ice Conditions

*Ice Forecast and Warnings also apply to U.S. waters

Ice Forecasts

Issued 12:00 PM EDT 17 May 2020 Today Tonight and Monday

Ice Coverage

Forecasts available to mariners upon request.

Warnings

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Ontario

Issued 04:28 AM EDT 21 October 2020

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 21 October 2020 Today Tonight and Thursday At 3:00 a.m. EDT today departing high 1031 mb located over Quebec.

At 3:00 a.m. EDT today low 1012 mb located over Lake Michigan.
By 3:00 a.m. EDT Thursday low 1012 mb located over central Quebec.

By 3:00 a.m. EDT Thursday approaching ridge located on a line
northwest-southeast over Lake Superior.

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.

What we are doing

Weather Forecasts

Weather Alerts

Weather Resources

Feedback about this web site
Date modified: