Marine Forecast
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Storm warning in effect.
Wind southwest 25 to 35 knots increasing to southwest 40 to 50
early this evening then diminishing to west 25 to 35 late overnight. Wind
diminishing to southwest 15 Saturday morning then backing to southeasterly 10 to
15 Saturday evening.
Rain changing to snow this evening and ending near
midnight. Snow Saturday evening. Visibility 1 mile or less in
snow.
Temperatures plus 5 falling to minus 7 Saturday
evening.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Storm warning in effect.
Wind southwest 25 to 35 knots increasing to southwest 40 to 50
early this evening then diminishing to west 25 to 35 late overnight. Wind
diminishing to southwest 15 Saturday morning then backing to southeasterly 10 to
15 Saturday evening.
Strong wind warning program has ended for the season.
Weather & Visibility
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Rain changing to snow this evening and ending near
midnight. Snow Saturday evening. Visibility 1 mile or less in
snow.
Air temperature
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Temperatures plus 5 falling to minus 7 Saturday
evening.
There is no ice forecast issued for this area.
Warnings (In effect)
Montréal to Trois-Rivières
Issued 3:00 PM EST 19 December 2025'Storm' force winds of 48 to 63 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 EST 19 December 2025 Tonight and Saturday At 3:00 p.m. EST today low 975 mb located over northern Lake
Saint-Jean.
By 7:00 p.m. EST Saturday low 950 mb located over Labrador Sea.
At 3:00 p.m. EST today ridge located on a line north-south over
northwestern Ontario.
By 7:00 p.m. EST Saturday ridge located on a line
northwest-southeast over Rivière-du-Loup.