Northumberland Strait
Forecast
Marine Forecast
Issued 03:00 AM ADT 15 September 2026
Today Tonight and Wednesday.
Strong wind warning in effect.
Wind northwest 20 to 25 knots diminishing to northwest 10 to 15 early this morning and to light this afternoon. Wind increasing to south 10 to 15 near midnight and to southwest 15 to 20 near noon Wednesday.
Extended Forecast
Issued 03:00 AM ADT 15 September 2026
Thursday
Wind northwest 15 to 20 knots diminishing to
light in the afternoon.
Friday
Wind southwest 20 to 25 knots increasing to
northwest 35.
Saturday
Wind northwest 30 knots diminishing to
northwest 15.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.Warnings
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait
Issued 03:00 AM ADT 15 September 2026'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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 15 September 2026 Today Tonight and Wednesday At 3:00 a.m. ADT today departing trough located from Newfoundlandto Laurentian Fan.
At 3:00 a.m. ADT today ridge located from Quebec to New England.
By 8:00 p.m. ADT tonight ridge located from Newfoundland to the
Gulf of Maine.
Atlantic - Maritimes Area
- Anticosti
- Banquereau - northwestern half
- Banquereau - southeastern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northwestern half
- Laurentian Fan - southeastern half
- 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
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