Ice Forecasts

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

Warnings (In effect)

Freezing spray warning in effect

Eastern Lake Superior

Issued 6:30 PM EST 22 February 2026

Moderate or severe freezing spray is 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.

Ice pressure warning in effect

Eastern Lake Superior

Issued 12:00 PM EST 22 February 2026

Navigators in this marine area should be on the lookout for hazardous ice conditions and take necessary safety precautions. Please refer to the latest ice forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio stations.

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Technical Marine Synopsis

Issued 6:30 PM EST 22 February 2026 Tonight and Monday At 6:30 p.m. EST tonight deepening low 1003 mb located off North
Carolina.
By 6:30 p.m. EST Monday deepening low 969 mb located off New
England.

At 6:30 p.m. EST tonight dissipating low 1014 mb located over
southwestern Ontario.

At 6:30 p.m. EST tonight ridge located on a line north-south
over Manitoba.
By 6:30 p.m. EST Monday ridge located on a line northeast-southwest
over Lake Superior.