Northumberland Strait
Forecast
Marine Forecast
Issued 03:30 PM AST 14 November 2025
Tonight and Saturday.
Strong wind warning in effect.
Wind northwest 25 knots diminishing to southwest 15 Saturday afternoon.
Scattered showers or scattered flurries ending Saturday afternoon.
Extended Forecast
Issued 03:30 PM AST 14 November 2025
Sunday
Wind southwest 20 knots increasing to southeast
35 in the morning then diminishing to variable 15 late in the day.
Monday
Wind southwest 30 knots.
Tuesday
Wind southwest 25 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
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait
Issued 3:30 PM AST 14 November 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 AST 14 November 2025 Tonight and Saturday At 3:30 p.m. AST today low 973 mb located east of Banquereau.By 3:00 a.m. AST Saturday low 981 mb located over northeastern
Newfoundland.
At 10:00 a.m. AST Saturday ridge located over New England.
Marine Weather Statement
Issued 3:13 PM AST 14 November 2025 An intensifying low east of Banquereau will track north to lie nearthe Avalon Peninsula by late evening. Gale to storm force westerlies
are expected this afternoon and evening for extreme eastern marine
waters.
Marine interests are advised that a storm warning is now in effect
for Banquereau - eastern half. A gale warning is in effect for
Laurentian Fan - eastern half.
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
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