Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 03 December 2023
Today Tonight and Monday.
Wind northeast 20 knots becoming variable 20 this evening then increasing to west 25 near midnight. Wind diminishing to northwest 15 early Monday morning.
Rain or periods of snow with a risk of thunderstorms late this afternoon and this evening changing to flurries overnight.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EST 03 December 2023
Today Tonight and Monday.
Waves 1 metre building to 2 late overnight then subsiding to 1
Monday morning.
Extended Forecast
Issued 03:00 AM EST 03 December 2023
Tuesday
Wind northwest 15 knots diminishing to light
in the morning.
Wednesday
Wind north 15 knots.
Thursday
Wind light becoming south 15 knots.
Ice Forecast*
Issued 12:00 PM EST 3 December 2023 Today Tonight and Monday 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 3 December 2023 Today Tonight and MondayIce Coverage
Open water.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EST 3 December 2023 Today Tonight and Monday At 10:30 a.m. EST today ridge located on a line east-west overThunder Bay.
By 10:30 a.m. EST Monday ridge located on a line northeast-southwest
over Marquette.
At 10:30 a.m. EST today trough located on a line east-west over
Cleveland.
By 10:30 a.m. EST Monday approaching trough located on a line
east-west over Ottawa.
Great Lakes - Lake Huron Area
Another Region
- Date modified: