Northumberland Strait
Forecast
Marine Forecast
Issued 10:00 AM ADT 13 June 2025
Today Tonight and Saturday.
Wind northwest 15 to 20 knots diminishing to light this afternoon. Wind light tonight and Saturday.
Extended Forecast
Issued 03:00 AM ADT 13 June 2025
Sunday
Wind southerly 10 to 15 knots.
Monday
Wind southerly 10 to 15 knots veering to
southwest 15 to 20 late in the day.
Tuesday
Wind southwest 20 to 25 knots diminishing to
variable 10 to 15.
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.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 13 June 2025 Today Tonight and Saturday At 8:00 p.m. ADT tonight ridge located from James Bay to the Gulfof Maine.
By 8:00 p.m. ADT Saturday ridge located from Quebec to Laurentian
Fan.
At 3:30 p.m. ADT Saturday approaching trough located southwest of
the Marine District.
Marine Weather Statement
Issued 2:37 AM ADT 13 June 2025 Marine interests are advised that all warnings have ended.
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
Another Region
- Date modified: