Anticosti
Forecast
Marine Forecast
Issued 08:00 PM ADT 10 August 2026
Tonight and Tuesday.
Wind west 15 to 20 knots diminishing to southwest 10 to 15 near midnight and to light early Tuesday morning. Wind becoming variable 10 to 15 Tuesday afternoon then becoming northwest 15 Tuesday evening.
Showers and fog patches Tuesday late in the day.
Waves
Issued 05:00 PM ADT 10 August 2026
Tonight and Tuesday.
Seas 1 metre.
Extended Forecast
Issued 03:30 PM ADT 10 August 2026
Wednesday
Wind northerly 20 knots backing to northwest
25 in the afternoon.
Thursday
Wind west 20 knots diminishing to
light.
Friday
Wind easterly 20 knots backing to north
25.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 10 August 2026Iceberg Limit
Iceberg limit at 0000 UTC 11 Aug estimated from Newfoundland near4825N 5310W to 4840N 5220W to 5010N 5100W to 5325N 5100W to 5800N
5300W to 6020N 5200W to 5840N 4500W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:30 PM ADT 10 August 2026 Tonight and Tuesday At 3:30 p.m. ADT today trough located from Banquereau to theGrand Banks.
By 8:00 p.m. ADT tonight departing trough located over the Grand
Banks.
At 8:00 p.m. ADT tonight trough located over New England.
By 8:00 p.m. ADT Tuesday trough located from the Gulf of
St. Lawrence to East Scotian Slope.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - western 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
- 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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- Date modified:
ATOM