Northumberland Strait
Forecast
Marine Forecast
Issued 08:00 PM ADT 16 July 2025
Tonight and Thursday.
Wind southerly 10 to 15 knots except light over eastern sections. Wind becoming southwesterly 10 to 15 near midnight then increasing to south 15 to 20 early Thursday evening.
Extended Forecast
Issued 03:30 PM ADT 16 July 2025
Friday
Wind southerly 20 to 25 knots becoming
northwest 25 in the afternoon.
Saturday
Wind northwest 15 to 20 knots backing to
southwest 15 to 20.
Sunday
Wind southwest 15 to 20 knots.
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 8:00 PM ADT 16 July 2025 Tonight and Thursday At 8:00 p.m. ADT tonight low 1009 mb located over the St. LawrenceRiver.
By 10:00 a.m. ADT Thursday weakening low 1011 mb located northeast
of the Marine District.
At 10:00 a.m. ADT Thursday low 1004 mb located near the Great Lakes.
By 8:00 p.m. ADT Thursday low 1000 mb located near the St. Lawrence
River.
Atlantic - Maritimes Area
- Anticosti - northern half
- Anticosti - southern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
Another Region
- Date modified: