Northumberland Strait
Forecast
Marine Forecast
Issued 08:00 PM ADT 18 May 2025
Tonight and Monday.
Wind southeast 15 knots diminishing to light after midnight then increasing to northeast 15 to 20 Monday afternoon except light over eastern sections.
Rain and fog patches.
Extended Forecast
Issued 03:30 PM ADT 18 May 2025
Tuesday
Wind northeast 25 knots.
Wednesday
Wind northeast 25 knots diminishing to
northeast 15 to 20.
Thursday
Wind northeast 15 to 20 knots.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 16 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 18 May 2025 Tonight and Monday At 8:00 p.m. ADT tonight quasi-stationary low 994 mb located oversouthern New Brunswick.
At 8:00 p.m. ADT tonight trough from low located from New Brunswick
to East Scotian Slope.
By 10:00 a.m. ADT Monday trough from low located from New Brunswick
to Banquereau.
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 - 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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