Marine Forecast
Issued 03:00 AM EDT 09 May 2026
Today Tonight and Sunday.
Strong wind warning in effect.
Wind light becoming southerly 10 to 15 knots early this
afternoon then becoming light early this evening. Wind increasing to southwest
15 to 25 Sunday morning then diminishing to light Sunday evening.
Showers overnight and Sunday morning. Scattered showers
Sunday evening.
Winds
Issued 03:00 AM EDT 09 May 2026
Today Tonight and Sunday.
Strong wind warning in effect.
Wind light becoming southerly 10 to 15 knots early this
afternoon then becoming light early this evening. Wind increasing to southwest
15 to 25 Sunday morning then diminishing to light Sunday evening.
Weather & Visibility
Issued 03:00 AM EDT 09 May 2026
Today Tonight and Sunday.
Showers overnight and Sunday morning. Scattered showers
Sunday evening.
There is no ice forecast issued for this area.
Warnings (In effect)
Trois-Rivières to Donnacona
Issued 03:00 AM EDT 09 May 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 or Weatheradio stations.
Technical Marine Synopsis
Issued 3:00 AM EDT 9 May 2026 Today Tonight and Sunday At 3:00 a.m. EDT today intensifying ridge located from Maine
to Labrador.
By 8:00 p.m. EDT Sunday ridge located on a line northeast-southwest
over eastern Newfoundland.
At 3:00 a.m. EDT today low 999 mb located over Lake Superior.
By 8:00 p.m. EDT Sunday low 999 mb located at 54.5N 73.5W.
At 3:00 a.m. EDT today cold front from low located on a line
northeast-southwest over the Midwestern states.
By 8:00 p.m. EDT Sunday cold front from low located on a line
northeast-southwest over Québec city.