Ice Forecasts

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

Warnings (In effect)

Strong wind warning in effect

Eastern Lake Superior

Issued 6:30 PM EDT 13 October 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 13 October 2025 Tonight and Tuesday At 6:30 p.m. EDT tonight departing high 1030 mb located over the
Gulf of St. Lawrence.

At 6:30 p.m. EDT tonight low 995 mb located over the northern
Ontario - Manitoba border.
By 6:30 p.m. EDT Tuesday low 1000 mb located over northern Quebec.

At 6:30 p.m. EDT tonight high 1028 mb located over southern
Saskatchewan.
By 6:30 p.m. EDT Tuesday high 1033 mb located over the southern
Ontario - Manitoba border.