Marine Forecast
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Storm warning in effect.
Wind southeasterly 25 knots except southeast 50 near the south
shore. Wind becoming southwest 40 to 50 early this evening then becoming
southwest 35 to 45 after midnight except west 55 near the mouth of the Saguenay
River. Wind becoming west 25 to 35 near noon Saturday then diminishing to
southeasterly 10 to 15 Saturday evening.
Rain changing to snow near midnight and ending Saturday
morning. Visibility as low as 1 mile in precipitation.
Freezing spray warning in effect.
Freezing spray beginning overnight and ending Saturday
afternoon.
Temperatures plus 6 falling to minus 7 Saturday
morning.
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 southeasterly 25 knots except southeast 50 near the south
shore. Wind becoming southwest 40 to 50 early this evening then becoming
southwest 35 to 45 after midnight except west 55 near the mouth of the Saguenay
River. Wind becoming west 25 to 35 near noon Saturday then diminishing to
southeasterly 10 to 15 Saturday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Over open water seas 1 metre building to 2 late this evening then
subsiding to 1 Saturday afternoon.
Weather & Visibility
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Rain changing to snow near midnight and ending Saturday
morning. Visibility as low as 1 mile in precipitation.
Air temperature
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Temperatures plus 6 falling to minus 7 Saturday
morning.
Freezing Spray
Issued 03:00 PM EST 19 December 2025
Tonight and Saturday.
Freezing spray warning in effect.
Freezing spray beginning overnight and ending Saturday
afternoon.
Ice Forecasts
Issued 10:00 AM EST 19 December 2025 Today Tonight and Saturday Ice Edge
First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N
6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.
Second ice edge estimated from Nova Scotia near 4540N 6136W to
Prince Edward Island near 4621N 6211W. Sea ice west of the ice edge.
Third ice edge estimated from Prince Edward Island near 4628N 6231W
to 4640N 6329W to 4736N 6409W to 4904N 6404W to 4925N 6516W to 4916N
6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice
west then north of the ice edge.
Fourth ice edge estimated from Anticosti Island near 4945N 6301W to
4946N 5954W to 5106N 5804W to 5035N 5733W to 4818N 5929W to 4731N
5923W to Newfoundland near 4736N 5740W. Sea ice north then east of
the ice edge.
Ice Coverage
2 tenths grey ice.
Warnings (In effect)
Tadoussac to Pointe à Michel
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.
Tadoussac to Pointe à Michel
Issued 3:00 PM EST 19 December 2025Moderate or severe freezing spray is 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.