Northumberland Strait - western half
Forecast
Marine Forecast
Issued 10:00 AM ADT 18 July 2025
Today Tonight and Saturday.
Strong wind warning in effect.
Wind northwest 20 to 25 knots diminishing to west 15 this evening and to light near noon Saturday. Wind becoming southwest 15 Saturday evening.
Extended Forecast
Issued 03:00 AM ADT 18 July 2025
Sunday
Wind southwest 15 to 20 knots becoming variable
15 to 20 in the afternoon.
Monday
Wind northwest 15 to 20 knots increasing to
northwest 20 to 25.
Tuesday
Wind northwest 25 to 30 knots diminishing to
northwest 15 to 20.
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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
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait - western half
Issued 10:00 AM ADT 18 July 2025'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 or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 18 July 2025 Today Tonight and Saturday At 10:00 a.m. ADT today low 994 mb located north of AnticostiIsland.
By 10:00 a.m. ADT Saturday low 983 mb located over Labrador Sea.
At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 10:00 a.m. ADT Saturday ridge located over the southern Marine
District.
Marine Weather Statement
Issued 9:47 AM ADT 18 July 2025 A low pressure system north of Anticosti will intensify as is tracksnortheastward today to lie over the Labrador Sea Saturday morning.
Strong southerly winds will veer to strong to gale force westerlies
today in the wake of the system before diminishing tonight.
Marine interests are advised that gale warnings are in effect for
Chaleur - Miscou, Gulf - Magdalen and Anticosti.
Atlantic - Maritimes Area
- Anticosti
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- 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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