Marine Forecast
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Gale warning in effect.
Wind northwest 25 to 35 knots except west 40 near the mouth of
the Saguenay River. Wind becoming northwest 15 to 25 this morning then
diminishing to northwest 10 to 15 this evening. Wind becoming light Tuesday
morning then becoming easterly 10 to 15 Tuesday evening.
Temperatures near minus 9.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Gale warning in effect.
Wind northwest 25 to 35 knots except west 40 near the mouth of
the Saguenay River. Wind becoming northwest 15 to 25 this morning then
diminishing to northwest 10 to 15 this evening. Wind becoming light Tuesday
morning then becoming easterly 10 to 15 Tuesday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Seas 1 metre.
Air temperature
Issued 03:00 AM EST 22 December 2025
Today Tonight and Tuesday.
Temperatures near minus 9.
Ice Forecasts
Issued 10:00 AM EST 21 December 2025 Today Tonight and Monday 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
Open water except 1 tenth grey ice along parts of the coasts.
Warnings (In effect)
Tadoussac to Pointe à Michel
Issued 03:00 AM EST 22 December 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 EST 22 December 2025 Today Tonight and Tuesday At 3:00 a.m. EST today ridge located on a line north-south over
Lake Ontario.
By 7:00 p.m. EST Tuesday ridge located on a line north-south
over Sept-Îles.
At 7:00 a.m. EST Tuesday low 1009 mb located north of Lake Superior.
By 7:00 p.m. EST Tuesday low 1008 mb located south of James Bay.