Eastern Lake Ontario
Forecast
Marine Forecast
Issued 03:00 AM EDT 13 July 2025
Today Tonight and Monday.
Wind south 15 knots veering to southwest 15 this morning then diminishing to south 10 this evening. Wind becoming light near midnight then becoming southwest 10 Monday morning.
Scattered showers ending near midnight with a risk of thunderstorms.
Waves
Issued 03:00 AM EDT 13 July 2025
Today Tonight and Monday.
Waves 0.5 to 1 metre subsiding to 0.5 or less near
midnight.
Extended Forecast
Issued 03:00 AM EDT 13 July 2025
Tuesday
Wind light.
Wednesday
Wind light.
Thursday
Wind light becoming southwest 15
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 3:00 AM EDT 13 July 2025 Today Tonight and Monday At 3:00 a.m. EDT today trough from 999 mb low located from JamesBay to Lower Michigan.
By 3:00 a.m. EDT Monday departing trough from 988 mb low located
from Hudson Bay to Labrador.
At 3:00 a.m. EDT today ridge from 1018 mb high located from Kansas
to Minnesota.
By 3:00 a.m. EDT Monday ridge from 1016 mb high located from
Illinois to Georgian Bay.
Great Lakes - Lake Huron Area
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