Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EDT 07 September 2026
Tonight and Tuesday.
Wind west 10 knots becoming light early Tuesday morning then becoming southeast 10 Tuesday evening.
Waves
Issued 06:30 PM EDT 07 September 2026
Tonight and Tuesday.
Waves 0.5 metres or less.
Extended Forecast
Issued 06:30 PM EDT 07 September 2026
Wednesday
Wind south 15 knots veering to southwest 20
in the afternoon.
Thursday
Wind west 20 knots.
Friday
Wind north 15 knots diminishing to
light.
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Weather Conditions
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Ice Conditions
*Ice Forecast and Warnings also apply to U.S. waters
Ice Forecasts
Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 6:30 PM EDT 7 September 2026 Tonight and Tuesday At 6:30 p.m. EDT tonight ridge located from Hudson Bay to Lake Erie.By 6:30 p.m. EDT Tuesday ridge located on a line north-south
over Quebec.
At 6:30 p.m. EDT tonight dissipating warm front located on a line
east-west over northern Ontario.
By 6:30 p.m. EDT Tuesday cold front from 996 mb low located on a
line northeast-southwest over western Lake Superior.
Great Lakes - Lake Huron Area
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