Eastern Lake Ontario
Forecast
Marine Forecast
Issued 10:30 AM EST 13 January 2026
Today Tonight and Wednesday.
Wind south 15 knots increasing to south 20 this afternoon then veering to southwest 25 this evening. Wind diminishing to southwest 15 near noon Wednesday then veering to northwest 15 Wednesday evening.
Scattered showers this afternoon tonight and Wednesday morning. Scattered flurries Wednesday evening.
Strong wind warning program has ended for the season.
Waves
Issued 10:30 AM EST 13 January 2026
Today Tonight and Wednesday.
Waves 1.5 metres subsiding to 1 near noon then building to 2 near
midnight. Waves subsiding to 1.5 early Wednesday morning and to 1 Wednesday
afternoon.
Extended Forecast
Issued 03:00 AM EST 13 January 2026
Thursday
Wind northwest 20 knots.
Friday
Wind light increasing to southwest 20
knots.
Saturday
Wind southwest 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 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:30 AM EST 13 January 2026 Today Tonight and Wednesday At 10:30 a.m. EST today low 989 mb located north of Lake Nipigon.By 10:30 a.m. EST Wednesday low 991 mb located over central Quebec.
At 10:30 a.m. EST today cold front located on a line east-west
over Lake Winnipeg.
By 10:30 a.m. EST Wednesday cold front located on a line
northeast-southwest over Lake Simcoe.
By 10:30 a.m. EST Wednesday ridge located on a line north-south
over Lake of the Woods.
Great Lakes - Lake Huron Area
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