Marine Forecast
Issued 03:00 AM EDT 21 May 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind northeast 15 knots increasing to northeast 15 to 25 this
afternoon then becoming northeast 15 near midnight. Wind increasing to easterly
15 to 20 Thursday morning then diminishing to easterly 10 to 15 Thursday
evening.
Winds
Issued 03:00 AM EDT 21 May 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind northeast 15 knots increasing to northeast 15 to 25 this
afternoon then becoming northeast 15 near midnight. Wind increasing to easterly
15 to 20 Thursday morning then diminishing to easterly 10 to 15 Thursday
evening.
There is no ice forecast issued for this area.
Warnings (In effect)
Donnacona to Beauport
Issued 03:00 AM EDT 21 May 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 3:00 AM EDT 21 May 2025 Today Tonight and Thursday At 3:00 a.m. EDT today ridge located on a line north-south over
Tadoussac.
By 8:00 p.m. EDT Thursday ridge located on a line
northwest-southeast over the Strait of Belle Isle.
At 3:00 a.m. EDT today low 1004 mb located south of Lake Michigan.
By 8:00 p.m. EDT tonight quasi-stationary low 1002 mb located over
Lake Erie.