Marine Forecast
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind southwest 40 to 50 knots diminishing to west 30 to 40 near
noon and to west 25 early this evening. Wind diminishing to light near midnight
then becoming northeast 15 Sunday morning.
Flurries ending near noon. Snow overnight and Sunday.
Visibility as low as 1 mile in precipitation.
Freezing spray warning in effect.
Freezing spray ending overnight.
Temperatures minus 1 falling to minus 7 this
morning.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Storm warning in effect.
Wind southwest 40 to 50 knots diminishing to west 30 to 40 near
noon and to west 25 early this evening. Wind diminishing to light near midnight
then becoming northeast 15 Sunday morning.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Seas 4 to 6 metres subsiding to 3 to 4 early this evening and to
1 to 2 near midnight. Seas subsiding to 1 or less overnight.
Weather & Visibility
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Flurries ending near noon. Snow overnight and Sunday.
Visibility as low as 1 mile in precipitation.
Air temperature
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Temperatures minus 1 falling to minus 7 this
morning.
Freezing Spray
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Freezing spray warning in effect.
Freezing spray ending overnight.
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
Open water except 1 tenth grey ice along parts of the coasts.
Warnings (In effect)
Pointe-des-Monts to Anticosti - northern half
Issued 03:00 AM EST 20 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.
Pointe-des-Monts to Anticosti - northern half
Issued 03:00 AM EST 20 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 AM EST 20 December 2025 Today Tonight and Sunday At 3:00 a.m. EST today low 966 mb located over western Labrador.
By 7:00 p.m. EST tonight departing low 950 mb located over
Labrador Sea.
At 3:00 a.m. EST today ridge located on a line north-south over
the eastern Great Lakes.
By 7:00 p.m. EST Sunday ridge located east of Newfoundland.
At 3:00 a.m. EST today low 994 mb located over southeastern
Manitoba.
By 7:00 p.m. EST Sunday low 1003 mb located over western
Newfoundland.