Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:30 PM EDT 06 September 2026
Tonight and Monday.
Wind variable 10 knots becoming northwest 10 late overnight then backing to west 10 near noon Monday.
Waves
Issued 06:30 PM EDT 06 September 2026
Tonight and Monday.
Waves 0.5 metres or less.
Extended Forecast
Issued 06:30 PM EDT 06 September 2026
Tuesday
Wind light.
Wednesday
Wind south 15 knots veering to southwest
20.
Thursday
Wind west 20 knots.
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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 6 September 2026 Tonight and Monday At 6:30 p.m. EDT tonight ridge located on a line northwest-southeastover Ontario.
By 6:30 p.m. EDT Monday ridge located from Hudson Bay to Lake
Ontario.
At 6:30 p.m. EDT tonight low 1004 mb located over northeastern
Wyoming.
By 6:30 p.m. EDT Monday low 999 mb located over northern North
Dakota.
Great Lakes - Lake Huron Area
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