Northumberland Strait
Forecast
Marine Forecast
Issued 03:30 PM ADT 15 June 2025
Tonight and Monday.
Wind light becoming southwest 10 to 15 knots this evening then becoming light Monday morning. Wind increasing to southerly 10 to 15 Monday afternoon and to southwest 15 to 20 Monday evening.
Extended Forecast
Issued 03:30 PM ADT 15 June 2025
Tuesday
Wind southwest 15 to 20 knots diminishing to
southwest 10 to 15 late in the day.
Wednesday
Wind south 20 to 25 knots.
Thursday
Wind light becoming southeast 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 3:30 PM ADT 15 June 2025 Tonight and Monday At 3:30 p.m. ADT today departing low 1006 mb located southeast ofLaurentian Fan.
At 3:30 p.m. ADT today quasi-stationary trough located south of
the Marine District.
At 3:30 p.m. ADT today ridge located on a line east-west over
Sable Island.
By 10:00 p.m. ADT Monday ridge located on a line east-west over
Laurentian Fan.
St. Lawrence - St. Lawrence River Area
- Anticosti
- 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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