Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 12 April 2021
Today Tonight and Tuesday.
Wind east 20 knots diminishing to east 15 early this evening and to east 10 Tuesday morning. Wind becoming light Tuesday afternoon.
Showers and fog patches. Fog patches forming Tuesday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EDT 12 April 2021
Today Tonight and Tuesday.
Waves one metre subsiding to one half metre this evening and to
less than one half metre Tuesday morning.
Extended Forecast
Issued 03:00 AM EDT 12 April 2021
Wednesday
Wind light.
Thursday
Wind northeast 15 knots diminishing to light
late in the day.
Friday
Wind northeast 15 knots diminishing to light
late in the day.
Ice Forecast*
Issued 12:00 PM EDT 11 April 2021 Today Tonight and Monday Ice free.
*Ice Forecast and Warnings also apply to U.S. waters
Stay connected
Weather Conditions
Zoom-in to make a selection

Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 11 April 2021 Today Tonight and MondayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 12 April 2021 Today Tonight and Tuesday At 3:00 a.m. EDT today low 998 mb located over northern Wisconsin.By 3:00 a.m. EDT Tuesday weakening low 1007 mb located near the
Ontario - Minnesota border.
At 3:00 a.m. EDT today quasi-stationary trough from low located
on a line northwest-southeast over Lake Huron.
Great Lakes - Lake Huron Area
Another Region
What we are doing
Weather Forecasts
Weather Alerts
Weather Resources
- Date modified: