Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 20 March 2023
Today Tonight and Tuesday.
Wind southwest 30 knots diminishing to southwest 20 near noon then veering to west 15 Tuesday morning. Wind diminishing to light Tuesday afternoon.
Scattered showers overnight and Tuesday morning.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 20 March 2023
Today Tonight and Tuesday.
Waves 2 metres subsiding to 1 to 1.5 this afternoon and to 0.5 to
1 near noon Tuesday. Waves subsiding to 0.5 or less Tuesday
evening.
Extended Forecast
Issued 03:00 AM EDT 20 March 2023
Wednesday
Wind light.
Thursday
Wind light increasing to southwest 25
knots.
Friday
Wind west 20 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 19 March 2023 Today Tonight and Monday Open water except consolidated rotten medium lake ice in Bay Of
Quinte and in sheltered bays.
*Ice Forecast and Warnings also apply to U.S. waters
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 19 March 2023 Today Tonight and MondayIce Coverage
Open water except consolidated rotten medium lake ice in Bay Of
Quinte and in sheltered bays.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 20 March 2023 Today Tonight and Tuesday At 3:00 a.m. EDT today cold front located on a line east-west overWhitefish Bay.
By 3:00 a.m. EDT Tuesday weakening trough located on a line
northeast-southwest over Lake Simcoe.
At 3:00 a.m. EDT today high 1030 mb located over Tennessee.
By 3:00 a.m. EDT Tuesday high 1031 mb located over West Virginia.
At 3:00 a.m. EDT today ridge located on a line north-south over
western Manitoba.
By 3:00 a.m. EDT Tuesday ridge located on a line northwest-southeast
over northern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
Another Region
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
- Date modified: