Western Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 21 September 2023
Today Tonight and Friday.
Wind light becoming east 10 knots early this evening then increasing to east 15 Friday afternoon. Wind veering to southeast 15 Friday evening.
Waves
Issued 03:00 AM EDT 21 September 2023
Today Tonight and Friday.
Waves less than 0.5 metres building to 0.5 or less this evening
and to 0.5 to 1 Friday evening.
Extended Forecast
Issued 03:00 AM EDT 21 September 2023
Saturday
Wind southeast 15 knots backing to northeast
15 in the afternoon.
Sunday
Wind northeast 15 knots.
Monday
Wind light becoming northeast 15 knots late in
the day.
Ice Forecast*
Issued Forecasts available to mariners upon request.
*Ice Forecast and Warnings also apply to U.S. waters
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
IssuedIce Coverage
Forecasts available to mariners upon request.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 21 September 2023 Today Tonight and Friday At 3:00 a.m. EDT today ridge located on a line north-south overKingston.
By 3:00 a.m. EDT Friday ridge located on a line northwest-southeast
over Sudbury.
At 3:00 a.m. EDT today trough located on a line north-south over
Minnesota.
By 3:00 a.m. EDT Friday trough located on a line northeast-southwest
over northern Quebec.
Great Lakes - Lake Huron Area
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