Pointe-des-Monts to Anticosti - southern half
Forecast
Marine Forecast
Issued 03:00 PM EST 13 December 2025
Tonight and Sunday.
Wind west 15 to 25 knots becoming northwest 15 early this evening then diminishing to light late overnight. Wind becoming northerly 15 Sunday afternoon.
Flurries Sunday late in the day.
Risk of freezing spray late this afternoon and this evening.
Temperatures near minus 4.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EST 13 December 2025
Tonight and Sunday.
Seas 1 to 2 metres subsiding to 1 near midnight.
Extended Forecast
Issued 06:00 AM EST 13 December 2025
Monday
Wind northwest 20 to 30 knots.
Tuesday
Wind west 15 to 25 knots.
Wednesday
Wind southwest 25 to 35 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 13 December 2025 Today Tonight and SundayIce Edge
First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N6124W 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 Newfoundland near 5029N 5728W. Sea ice
north of the ice edge.
Ice Coverage
Open water.
Warnings
Warnings (Ended)
Freezing spray warning ended
Pointe-des-Monts to Anticosti - southern half
Issued 3:00 PM EST 13 December 2025Synopsis
Technical Marine Synopsis
Issued 3:00 PM EST 13 December 2025 Tonight and Sunday At 3:00 p.m. EST today ridge located over Maine.By 10:00 p.m. EST tonight dissipating ridge located over Matane.
At 3:00 p.m. EST today low 1006 mb located over southern James Bay.
By 7:00 a.m. EST Sunday dissipating low 1013 mb located near
Québec city.
At 7:00 a.m. EST Sunday ridge located from the Midwestern states
to Hudson Bay.
By 7:00 p.m. EST Sunday ridge located from the Great Lakes to
Ungava Bay.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait - western half
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
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