Marine Forecast
Issued 08:00 PM AST 10 December 2025
Tonight and Thursday.
Gale warning in effect.
Wind south 25 to 30 knots veering to southwest 20 to 25 late
overnight then to west 25 to 30 Thursday afternoon. Wind increasing to west 35
Thursday evening.
Scattered showers beginning near midnight changing to
flurries Thursday evening. Visibility 1 mile or less in
precipitation.
Strong wind warning program has ended for the season.
Winds
Issued 08:00 PM AST 10 December 2025
Tonight and Thursday.
Gale warning in effect.
Wind south 25 to 30 knots veering to southwest 20 to 25 late
overnight then to west 25 to 30 Thursday afternoon. Wind increasing to west 35
Thursday evening.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 10 December 2025
Tonight and Thursday.
Seas 2 to 3 metres building to 4 Thursday
afternoon.
Weather & Visibility
Issued 08:00 PM AST 10 December 2025
Tonight and Thursday.
Scattered showers beginning near midnight changing to
flurries Thursday evening. Visibility 1 mile or less in
precipitation.
Ice Forecasts
Issued 10:00 AM EST 10 December 2025 Today Tonight and Thursday 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 4949N 6317W to
4946N 5954W to 5106N 5804W to Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.
Warnings (In effect)
Lurcher
Issued 8:00 PM AST 10 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 8:00 PM AST 10 December 2025 Tonight and Thursday At 8:00 p.m. AST tonight trough located over East Scotian Slope.
By 3:00 a.m. AST Thursday departing trough located over Banquereau.
At 8:00 p.m. AST tonight low 990 mb located over southern Quebec.
By 3:30 p.m. AST Thursday low 982 mb located over the northern
Gulf of St. Lawrence.
Marine Weather Statement
Issued 7:44 PM AST 10 December 2025 A trough of low pressure over East Scotian Slope will track
northeastward across the southern marine district this evening.
Strong to gale force southerly winds are forecast ahead of this
feature.
A low pressure system over Southern Quebec will track across New
Brunswick Thursday morning to lie over Northern Gulf of St. Lawrence
waters Thursday afternoon. Strong to gale force easterly winds are
forecast ahead of the low. Strong to gale force westerly winds are
expected south of the low late in the day Thursday.
Marine interests are advised that gale warnings are in effect for
Grand Manan, Lurcher, Browns Bank, Georges Bank, southwestern shore,
LaHave Bank, West Scotian Slope, East Scotian Slope, Banquereau -
southeastern half, Laurentian Fan and Anticosti - northwestern half.
Additionally, a freezing spray warning is in effect for Anticosti -
northwestern half.