Eastern Lake Ontario
Forecast
Marine Forecast
Issued 06:03 AM EDT 16 May 2025
Today Tonight and Saturday.
Wind south 10 knots becoming light near noon then becoming southeast 10 near midnight. Wind increasing to southwest 15 Saturday morning and to west 15 to 20 Saturday evening.
Showers or scattered thunderstorms this morning. Showers Saturday with a risk of thunderstorms. Fog patches dissipating Saturday evening.
Waves
Issued 03:00 AM EDT 16 May 2025
Today Tonight and Saturday.
Waves 0.5 metres or less building to 0.5 to 1 near noon
Saturday.
Extended Forecast
Issued 03:00 AM EDT 16 May 2025
Sunday
Wind west 20 knots.
Monday
Wind northwest 15 knots.
Tuesday
Wind north 15 knots diminishing to
light.
Ice Forecast*
Issued 12:00 PM EDT 15 May 2025 Today Tonight and Friday Ice free.These are the last forecasts for the season.
*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
Issued 12:00 PM EDT 15 May 2025 Today Tonight and FridayIce Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 16 May 2025 Today Tonight and Saturday At 3:00 a.m. EDT today departing ridge located on a linenortheast-southwest over the Maritimes.
At 3:00 a.m. EDT today low 984 mb located over eastern North Dakota.
By 3:00 a.m. EDT Saturday low 991 mb located over northern
Wisconsin.
By 3:00 a.m. EDT Saturday approaching ridge located on a line
north-south over Saskatchewan.
Great Lakes - Lake Huron Area
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