Marine Forecast
Issued 10:30 AM EDT 07 June 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind light becoming southeast 10 knots early this evening then
increasing to southeast 15 near midnight. Wind increasing to southeast 20 early
Sunday morning then diminishing to southeast 15 Sunday evening.
Showers Sunday afternoon and evening with a risk of
thunderstorms. Fog patches forming Sunday evening.
Winds
Issued 10:30 AM EDT 07 June 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind light becoming southeast 10 knots early this evening then
increasing to southeast 15 near midnight. Wind increasing to southeast 20 early
Sunday morning then diminishing to southeast 15 Sunday evening.
Waves
Issued 10:30 AM EDT 07 June 2025
Today Tonight and Sunday.
Waves less than 0.5 metres building to 0.5 to 1 late overnight
and to 1 to 1.5 Sunday morning. Waves subsiding to 0.5 to 1 Sunday
evening.
Weather & Visibility
Issued 10:30 AM EDT 07 June 2025
Today Tonight and Sunday.
Showers Sunday afternoon and evening with a risk of
thunderstorms. Fog patches forming Sunday evening.
Ice Forecasts
Issued 12:00 PM EDT 16 May 2025 Forecasts have ended for the season.
Warnings (In effect)
Eastern Lake Superior
Issued 12:21 PM EDT 07 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.
Technical Marine Synopsis
Issued 10:30 AM EDT 7 June 2025 Today Tonight and Sunday At 10:30 a.m. EDT today ridge located on a line northeast-southwest
over Sault Ste. Marie.
By 10:30 a.m. EDT Sunday ridge located on a line northeast-southwest
over Lake St. Clair.
At 10:30 a.m. EDT today trough located on a line north-south
over Manitoba.
By 10:30 a.m. EDT Sunday approaching trough located on a line
north-south over Duluth.