Ice Forecasts

Lake Huron

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

Ice Forecasts

Lake Michigan

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

Warnings (In effect)

Strong wind warning in effect

Southern Lake Huron

Issued 6:30 PM EDT 03 June 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 6:30 PM EDT 3 June 2025 Tonight and Wednesday At 6:30 p.m. EDT tonight quasi-stationary ridge located on a line
northeast-southwest over the East Coast of the U.S.

At 6:30 p.m. EDT tonight trough located on a line
northeast-southwest over eastern Lake Superior.
By 6:30 p.m. EDT Wednesday trough located on a line
northeast-southwest over southern Ontario.