Marine Forecast
Issued 03:30 PM AST 16 December 2025
Tonight and Wednesday.
Gale warning in effect.
Wind west 15 to 20 knots backing to southwest 25 near midnight
then increasing to southwest 35 Wednesday afternoon.
Temperatures zero rising to plus 8 Wednesday
afternoon.
Strong wind warning program has ended for the season.
Winds
Issued 03:30 PM AST 16 December 2025
Tonight and Wednesday.
Gale warning in effect.
Wind west 15 to 20 knots backing to southwest 25 near midnight
then increasing to southwest 35 Wednesday afternoon.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 16 December 2025
Tonight and Wednesday.
Seas 1 to 2 metres building to 3 Wednesday morning.
Air temperature
Issued 03:30 PM AST 16 December 2025
Tonight and Wednesday.
Temperatures zero rising to plus 8 Wednesday
afternoon.
Ice Forecasts
Issued 10:00 AM EST 16 December 2025 Today Tonight and Wednesday 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 4551N 6201W 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.
Warnings (In effect)
Lurcher
Issued 3:30 PM AST 16 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 3:30 PM AST 16 December 2025 Tonight and Wednesday At 3:30 p.m. AST today ridge located west of the Marine District.
By 8:00 p.m. AST tonight ridge located over the southwestern
Marine District.
At 10:00 a.m. AST Wednesday trough from 979 mb low located on a
line northeast-southwest over Quebec.
By 8:00 p.m. AST Wednesday trough from 978 mb low located on a
line northeast-southwest over the St. Lawrence River.
Marine Weather Statement
Issued 3:05 PM AST 16 December 2025 A trough of low pressure over Quebec Wednesday morning will push east
to lie over the St Lawrence River by Wednesday evening. Strong to
gale force southwesterlies will develop early Wednesday ahead of the
trough.
Marine interests are advised that gale warnings are in effect for all
waters except Cabot Strait - northern half, Gulf - Magdalen -
southeastern half, Northumberland Strait, Chaleur - Miscou, and
Anticosti - northwestern half.
Freezing spray warnings are in effect for Gulf - Magdalen -
northwestern half.