Northumberland Strait
Forecast
Marine Forecast
Issued 08:00 PM ADT 12 June 2025
Tonight and Friday.
Wind northwest 15 knots diminishing to light Friday afternoon.
Extended Forecast
Issued 03:30 PM ADT 12 June 2025
Saturday
Wind light.
Sunday
Wind light.
Monday
Wind southwest 10 to 15 knots.
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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.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 12 June 2025 Tonight and Friday At 8:00 p.m. ADT tonight trough located on a linenortheast-southwest over Nova Scotia.
By 3:00 a.m. ADT Friday trough located from Newfoundland to
Browns Bank.
At 8:00 p.m. ADT Friday departing trough located east of the
Marine District.
Marine Weather Statement
Issued 7:34 PM ADT 12 June 2025 Strong to gale force westerlies associated with a trough of lowpressure are expected tonight over Northern Gulf of St. Lawrence
waters.
Marine interests are advised that a gale warning is in effect for
Anticosti - western half.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern 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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