Southwestern Shore
Forecast
Marine Forecast
Issued 03:00 AM ADT 20 June 2025
Today Tonight and Saturday.
Strong wind warning in effect.
Wind southwest 15 to 20 knots increasing to southwest 25 to 30 this morning then diminishing to west 15 to 20 Saturday morning.
Scattered showers this afternoon. Fog banks dissipating this evening.
Waves
Issued 05:00 AM ADT 20 June 2025
Today Tonight and Saturday.
Seas 1 to 2 metres building to 2 to 3 this morning then subsiding
to 1 to 2 Saturday morning.
Extended Forecast
Issued 03:00 AM ADT 20 June 2025
Sunday
Wind southwest 15 knots increasing to southwest
20 in the afternoon.
Monday
Wind southerly 10 to 15 knots.
Tuesday
Wind southwest 15 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 2:30 PM EDT 19 June 2025Iceberg Limit
Iceberg limit at 0000 UTC 20 Jun estimated from Newfoundland near 4655N 5555W to 4500N 5525W to 4345N 4700W to 4555N 4140W to 4925N 4300W to 5745N 5405W then eastward.Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Southwestern Shore
Issued 03:00 AM ADT 20 June 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 3:00 AM ADT 20 June 2025 Today Tonight and Saturday At 3:00 a.m. ADT today low 998 mb located over the St. LawrenceRiver.
By 3:30 p.m. ADT today low 995 mb located over the Gaspe Peninsula.
At 3:00 a.m. ADT Saturday low 991 mb located over Anticosti Island.
By 3:30 p.m. ADT Saturday low 995 mb located over the Strait of
Belle Isle.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern 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
- 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: