Southwestern Shore
Forecast
Marine Forecast
Issued 08:00 PM ADT 18 July 2026
Tonight and Sunday.
Strong wind warning in effect.
Wind southerly 15 to 20 knots increasing to south 30 late overnight then diminishing to southwesterly 20 near noon Sunday. Wind diminishing to west 15 Sunday evening.
Rain overnight and Sunday with a risk of thunderstorms. Fog patches forming late overnight and dissipating Sunday evening.
Waves
Issued 05:00 PM ADT 18 July 2026
Tonight and Sunday.
Seas 1 to 2 metres building to 2 to 3 early Sunday
morning.
Extended Forecast
Issued 03:30 PM ADT 18 July 2026
Monday
Wind westerly 15 knots.
Tuesday
Wind light becoming south 15 knots.
Wednesday
Wind southeasterly 25 knots veering to
southwest 30.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 18 July 2026Iceberg Limit
Iceberg limit at 0000 UTC 19 Jul estimated from Newfoundland near4805N 5255W to 4645N 4700W to 4700N 4450W to 4830N 4430W to 5535N
5100W to 5745N 5400W to 5825N 4825W to 5720N 4510W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Southwestern Shore
Issued 8:00 PM ADT 18 July 2026'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.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 18 July 2026 Tonight and Sunday At 8:00 p.m. ADT tonight departing ridge located south ofLaurentian Fan.
At 8:00 p.m. ADT tonight low 997 mb located over southern Quebec.
By 3:30 p.m. ADT Sunday low 987 mb located over the Gaspe Peninsula.
Marine Weather Statement
Issued 7:21 PM ADT 18 July 2026 A low pressure system over Southern Quebec will move east to lie overthe Gaspé Peninsula by Sunday afternoon. Strong to gale force south
to southeasterlies are expected southeast of the low.
Marine interests are advised gale warnings are in effect for
Banquereau, Cabot Strait, Gulf-Magdalen and Anticosti - eastern
Half.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- 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
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- Date modified:
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