Anticosti - southwestern half
Forecast
Marine Forecast
Issued 08:00 PM ADT 24 June 2025
Tonight and Wednesday.
Strong wind warning in effect.
Wind westerly 20 knots except west 30 in the Honguedo Strait tonight and Wednesday.
Fog patches dissipating late overnight.
Waves
Issued 05:00 PM ADT 24 June 2025
Tonight and Wednesday.
Seas 1 to 2 metres building to 2 to 3 Wednesday
afternoon.
Extended Forecast
Issued 03:30 PM ADT 24 June 2025
Thursday
Wind northwest 15 to 20 knots backing to
westerly 25 in the afternoon.
Friday
Wind northwest 10 to 15 knots diminishing to
light.
Saturday
Wind southwest 15 knots diminishing to
light.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 24 June 2025Iceberg Limit
Iceberg limit at 0000 UTC 25 Jun estimated from Newfoundland near 4705N 5523W to 4440N 5050W to 4345N 4700W to 4705N 4140W to 4925N 4200W to 5600N 5120W to 5745N 5405W to 5815N 5050W then eastward.Iceberg Count
No confirmed icebergs except less than 10 icebergs northeast of the western iceberg limit.Warnings
Warnings (In effect)
Strong wind warning in effect
Anticosti - southwestern half
Issued 8:09 PM ADT 24 June 2025'Strong' winds of 20 to 33 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.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 24 June 2025 Tonight and Wednesday At 8:00 p.m. ADT tonight trough located from Anticosti Island tothe Gulf of Maine.
By 3:00 a.m. ADT Wednesday trough located on a line
northeast-southwest over Nova Scotia.
At 8:00 p.m. ADT Wednesday trough located on a line east-west over
the southern Marine District.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northern half
- Gulf - Magdalen - southern 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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