Ice Forecasts

Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Western Lake Ontario

Issued 03:00 AM EDT 21 May 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

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Technical Marine Synopsis

Issued 3:00 AM EDT 21 May 2025 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located from Hudson Bay to Sault
Ste. Marie.
By 3:00 a.m. EDT Thursday ridge located from Hudson Bay to Lake
of the Woods.

At 3:00 a.m. EDT today low 1002 mb located over Indiana.
By 3:00 a.m. EDT Thursday low 1001 mb located over eastern Lake
Erie.