Ice Forecasts

Issued 12:00 PM EDT 17 May 2026 Forecasts have ended for the season.

Warnings (In effect)

Strong wind warning in effect

Georgian Bay

Issued 03:00 AM EDT 05 October 2026

'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.

Watches (In effect)

Squall watch in effect

Southern Georgian Bay

Issued 02:54 AM EDT 05 October 2026 Conditions are favourable for the development of squalls with wind gusts up to 35 knots and frequent lightning.

A line of heavy showers with a few thunderstorms will approach from the west early this morning and move rapidly eastward across the region.

Mariners are advised to prepare for potential squalls. Vulnerable vessels are most at risk and should seek safe harbour if underway.

Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.

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Technical Marine Synopsis

Issued 3:00 AM EDT 5 October 2026 Today Tonight and Tuesday At 3:00 a.m. EDT today low 995 mb located over southern James Bay.
By 3:00 a.m. EDT Tuesday departing low 990 mb located over eastern
Quebec.

At 3:00 a.m. EDT today ridge located on a line north-south over
eastern Manitoba.
By 3:00 a.m. EDT Tuesday ridge located over Lake Huron.