Marine Forecast
Issued 03:00 PM EDT 04 June 2026
Tonight and Friday.
Strong wind warning in effect.
Wind southwest 20 knots diminishing to southwest 10 to 15 this
evening then becoming light near midnight. Wind light Friday.
Winds
Issued 03:00 PM EDT 04 June 2026
Tonight and Friday.
Strong wind warning in effect.
Wind southwest 20 knots diminishing to southwest 10 to 15 this
evening then becoming light near midnight. Wind light Friday.
There is no ice forecast issued for this area.
Warnings (In effect)
Trois-Rivières to Donnacona
Issued 9:04 PM EDT 04 June 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 PM EDT 4 June 2026 Tonight and Friday At 3:00 p.m. EDT today trough located on a line east-west over
Natashquan.
By 8:00 a.m. EDT Friday departing trough located on a line
northeast-southwest over Newfoundland.
At 3:00 p.m. EDT today ridge located from Hudson Bay to Lake Huron.
By 8:00 p.m. EDT Friday ridge located from the Gulf of St. Lawrence
to Hudson Bay.