Anticosti - northwestern half
Forecast
Marine Forecast
Issued 03:30 PM ADT 15 July 2025
Tonight and Wednesday.
Strong wind warning in effect.
Wind westerly 20 to 25 knots diminishing to northwest 15 near midnight and to light early Wednesday morning. Wind becoming northeast 10 to 15 Wednesday afternoon.
Showers Wednesday evening.
Waves
Issued 05:00 AM ADT 15 July 2025
Anticosti - northeastern half
Today Tonight and Wednesday.
Seas 1 metre.
Anticosti - southwestern half
Today Tonight and Wednesday.
Seas 1 metre or less building to 1 to 2 near noon then subsiding
to 1 late overnight.
Extended Forecast
Issued 03:30 PM ADT 15 July 2025
Thursday
Wind light.
Friday
Wind southerly 20 to 25 knots increasing to
northwest 25 to 35.
Saturday
Wind northwest 20 to 25 knots backing to
southwest 20 to 25.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


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 15 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 16 Jul estimated from Newfoundland near4709N 5256W to 4655N 4455W to 4945N 4250W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Anticosti - northwestern half
Issued 3:30 PM ADT 15 July 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 3:30 PM ADT 15 July 2025 Tonight and Wednesday At 3:30 p.m. ADT today low 1015 mb located over Laurentian Fan.By 8:00 p.m. ADT tonight departing low 1016 mb located over the
southwestern Grand Banks.
At 8:00 p.m. ADT tonight approaching ridge located west of the
Marine District.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- 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
- 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
Another Region
- Date modified: