Cabot Strait
Forecast
Marine Forecast
Issued 03:30 PM ADT 18 July 2025
Tonight and Saturday.
Strong wind warning in effect.
Wind southwest 20 to 25 knots veering to northwest 25 to 30 late this afternoon then diminishing to westerly 15 after midnight. Wind becoming variable 10 to 15 Saturday morning then becoming south 15 Saturday evening.
Showers and fog patches ending this afternoon with a risk of thunderstorms.
Waves
Issued 05:00 PM ADT 18 July 2025
Cabot Strait - northern half
Tonight and Saturday.
Seas 1 to 2 metres building to 2 to 3 this evening then subsiding
to 1 to 2 early Saturday morning.
Cabot Strait - southern half
Tonight and Saturday.
Seas 1 to 2 metres.
Extended Forecast
Issued 03:30 PM ADT 18 July 2025
Sunday
Wind southwest 15 to 20 knots.
Monday
Wind south 15 to 20 knots increasing to
northwest 20 to 25.
Tuesday
Wind northwest 25 to 30 knots diminishing to
northwest 20 late in the day.
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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.Iceberg Bulletin
Issued 2:30 PM EDT 18 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Cabot Strait
Issued 3:30 PM 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 3:30 PM ADT 18 July 2025 Tonight and Saturday At 3:30 p.m. ADT today low 990 mb located over Labrador.By 10:00 a.m. ADT Saturday departing 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 3:12 PM ADT 18 July 2025 A low pressure system over Labrador will continue to intensify as istracks northeastward tonight departing the region. Strong to gale
force westerlies over Gulf of St. Lawrence waters will diminish this
evening.
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
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- 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 - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
Another Region
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