Cabot Strait
Forecast
Marine Forecast
Issued 10:00 AM ADT 12 July 2025
Today Tonight and Sunday.
Strong wind warning in effect.
Wind variable 10 to 15 knots increasing to northwest 20 late this afternoon then diminishing to northwest 15 late this evening. Wind diminishing to light late overnight then becoming southwest 10 to 15 Sunday evening.
Waves
Issued 05:00 AM ADT 12 July 2025
Cabot Strait - northern half
Today Tonight and Sunday.
Seas 1 metre or less.
Cabot Strait - southern half
Today Tonight and Sunday.
Seas 1 to 2 metres subsiding to 1 or less Sunday
morning.
Extended Forecast
Issued 03:00 AM ADT 12 July 2025
Monday
Wind southwesterly 20 knots.
Tuesday
Wind southwest 15 to 20 knots becoming
variable 15.
Wednesday
Wind northwest 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.Iceberg Bulletin
Issued 2:46 PM EDT 11 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 12 Jul estimated from Newfoundland near4640N 5310W to 4555N 4505W to 4910N 4205W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6035N 5330W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Cabot Strait
Issued 10:00 AM ADT 12 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 12 July 2025 Today Tonight and Sunday At 10:00 a.m. ADT today low 1009 mb located south of the AvalonPeninsula.
By 8:00 p.m. ADT tonight departing low 1007 mb located over the
Grand Banks.
At 10:00 a.m. ADT today ridge located over the Maritimes.
By 3:30 p.m. ADT Sunday ridge located over the southern Marine
District.
At 3:30 p.m. ADT Sunday approaching low 1014 mb located southwest
of Georges Bank.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - northern half
- Banquereau - southern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- 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 - eastern half
- Laurentian Fan - western 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 - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast - Ramea and east
- Southwest Coast - west of Ramea
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
Another Region
- Date modified: