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  | 

Western Lake Ontario

Warnings

Forecast

Marine Forecast

Issued 01:29 PM EDT 29 March 2020

Today Tonight and Monday.

Squall watch in effect.

Wind southwest 20 knots with gusts to 35 near thunderstorms. Wind becoming southwest 25 late this afternoon then diminishing to southwest 20 early Monday morning. Wind veering to west 15 Monday evening.

Showers. Risk of thunderstorms this afternoon and this evening. Fog patches dissipating this afternoon.

Waves

Issued 10:30 AM EDT 29 March 2020
Today Tonight and Monday. Waves 2 metres subsiding to one and one half metres this afternoon then building to 2 this evening. Waves subsiding to one Monday morning.

Extended Forecast

Issued 03:00 AM EDT 29 March 2020
Tuesday Wind light becoming northeast 15 knots in the afternoon.
Wednesday Wind northeast 15 knots.
Thursday Wind northeast 15 knots diminishing to light.

Ice Forecast*

Issued 12:00 PM EDT 29 March 2020 Today Tonight and Monday Ice free.

*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 29 March 2020 Today Tonight and Monday

Ice Coverage

Ice free.

Warnings

Warnings (In effect)

Squall warning in effect

Western Lake Ontario

Issued 2:18 PM EDT 29 March 2020 Squalls with wind gusts up to 40 knots are expected or occurring in the area.

Squalls with wind gusts up to 40 knots are expected this afternoon.

Radar images show a line of thunderstorms just south of US border continues to move northeastward at 70 km/h.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Watches (In effect)

Squall watch in effect

Western Lake Ontario

Issued 1:26 PM EDT 29 March 2020 Conditions are favourable for the development of squalls with wind gusts up to 35 knots.

A line of strong thunderstorms over Eastern Lake Erie is moving northeastwards at 70 km/h. This line might reach the west end of Western Lake Ontario in the next hour.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM EDT 29 March 2020 Today Tonight and Monday At 10:30 a.m. EDT today low 994 mb located over northeastern
Wisconsin.
By 10:30 a.m. EDT Monday low 1008 mb located east of Georgian Bay.

At 10:30 a.m. EDT today trough from low located on a line east-west
over Toronto.
By 10:30 a.m. EDT Monday dissipating trough from low located from
the low to Kingston then to Pennsylvania.

At 10:30 a.m. EDT today ridge located on a line north-south over
North Dakota.
By 10:30 a.m. EDT Monday ridge located on a line north-south over
northwestern Ontario.

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: