Grand Manan
Forecast
Marine Forecast
Issued 08:00 PM ADT 10 September 2026
Tonight and Friday.
Strong wind warning in effect.
Wind southwest 25 knots veering to northwest 25 this evening then diminishing to northwest 15 late overnight. Wind increasing to west 20 Friday afternoon then diminishing to northwest 15 Friday evening.
Waves
Issued 05:00 PM ADT 10 September 2026
Tonight and Friday.
Seas 2 to 3 metres subsiding to 1 to 2 near
midnight.
Extended Forecast
Issued 03:30 PM ADT 10 September 2026
Saturday
Wind northwest 10 to 15 knots diminishing to
light in the afternoon.
Sunday
Wind light increasing to southwest 15 to 20
knots.
Monday
Wind westerly 20 knots.
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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.Warnings
Warnings (In effect)
Strong wind warning in effect
Grand Manan
Issued 8:30 PM ADT 10 September 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 10 September 2026 Tonight and Friday At 8:00 p.m. ADT tonight trough located from Newfoundland to EastScotian Slope.
By 3:00 a.m. ADT Friday departing trough located east of
Newfoundland.
At 8:00 p.m. ADT Friday building ridge located near the Great Lakes.
Marine Weather Statement
Issued 7:39 PM ADT 10 September 2026 A trough of low pressure from Labrador to West Scotian Slope willcontinue across the marine district tonight and depart to the east
early Friday morning. Strong to gale force southwesterlies ahead of
the trough will shift to strong northwesterlies in its wake.
Marine interests are advised that gale warnings are in effect for
Banquereau and Laurentian Fan.
Atlantic - Maritimes Area
- Anticosti
- 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 - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northwestern half
- Gulf - Magdalen - southeastern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- 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
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