Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 09 December 2023
Today Tonight and Sunday.
Wind south 20 knots backing to southeast 15 near noon then becoming west 15 Sunday morning. Wind increasing to west 20 Sunday evening.
Scattered showers.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EST 09 December 2023
Today Tonight and Sunday.
Waves 1 to 1.5 metres subsiding to 0.5 to 1 this afternoon then
building to 1 to 1.5 Sunday evening.
Extended Forecast
Issued 03:00 AM EST 09 December 2023
Monday
Wind northwest 20 knots backing to west 25 in
the afternoon.
Tuesday
Wind southwest 25 knots veering to west
30.
Wednesday
Wind west 25 knots.
Ice Forecast*
Issued 12:00 PM EST 9 December 2023 Today Tonight and Sunday Open water.
*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 EST 9 December 2023 Today Tonight and SundayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EST 9 December 2023 Today Tonight and Sunday At 10:30 a.m. EST today low 998 mb located over northern LakeMichigan.
By 10:30 a.m. EST Sunday low 990 mb located over northern Quebec.
At 10:30 a.m. EST today trough from 998 mb low located on a line
north-south over Illinois.
By 10:30 a.m. EST Sunday trough from 990 mb low located on a line
northeast-southwest over eastern Ontario.
Great Lakes - Lake Erie and Lake Ontario Area
Another Region
- Date modified: