Cabot Strait - northern half
Forecast
Marine Forecast
Issued 10:00 AM ADT 21 June 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind west 35 knots diminishing to west 25 near noon then veering to northwest 15 to 20 this evening. Wind diminishing to light late overnight then becoming southeast 15 Sunday evening.
Scattered showers ending this afternoon. Scattered showers Sunday evening.
Waves
Issued 05:00 AM ADT 21 June 2025
Today Tonight and Sunday.
Seas 2 to 3 metres subsiding to 1 to 2 this
evening.
Extended Forecast
Issued 03:00 AM ADT 21 June 2025
Monday
Wind variable 10 to 15 knots.
Tuesday
Wind southwesterly 25 knots.
Wednesday
Wind southwesterly 25 knots veering to
northwest 30.
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.Iceberg Bulletin
Issued 3:37 PM EDT 20 June 2025Iceberg Limit
Iceberg limit at 0000 UTC 21 Jun estimated from Newfoundland near 4655N 5555W to 4500N 5525W to 4345N 4700W to 4705N 4140W to 4925N 4300W to 5745N 5405W then eastward.Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Gale warning in effect
Cabot Strait - northern half
Issued 10:00 AM ADT 21 June 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 21 June 2025 Today Tonight and Sunday At 10:00 a.m. ADT today departing low 993 mb located northeast ofthe Marine District.
At 3:30 p.m. ADT today ridge located over Quebec.
By 3:00 a.m. ADT Sunday ridge located from Anticosti Island to
Georges Bank.
At 3:00 a.m. ADT Sunday low 1000 mb located over southern Quebec.
By 8:00 p.m. ADT Sunday low 1002 mb located over Grand Manan.
Marine Weather Statement
Issued 2:28 PM ADT 21 June 2025 A departing low pressure system over Northern Newfoundland will moveto lie over the Labrador Sea by tonight. Strong to gale
Force west to northwest winds will diminish by this afternoon.
Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf - Magdalen and Anticosti.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- 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 - northeastern half
- Gulf - Magdalen - southwestern half
- 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: