Grand Manan
Forecast
Marine Forecast
Issued 08:00 PM ADT 14 July 2026
Tonight and Wednesday.
Strong wind warning in effect.
Wind southwest 25 knots diminishing to westerly 15 after midnight then increasing to west 20 to 25 Wednesday afternoon.
Showers ending Wednesday morning with a risk of thunderstorms. Scattered showers Wednesday afternoon and evening. Risk of thunderstorms late Wednesday evening.
Waves
Issued 05:00 PM ADT 14 July 2026
Tonight and Wednesday.
Seas 1 to 2 metres subsiding to 1 or less Wednesday
evening.
Extended Forecast
Issued 03:30 PM ADT 14 July 2026
Thursday
Wind west 15 to 20 knots backing to southwest
20 to 25 in the afternoon.
Friday
Wind northwest 15 knots backing to southwest
20.
Saturday
Wind southwest 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 8:00 PM ADT 14 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 14 July 2026 Tonight and Wednesday At 8:00 p.m. ADT tonight intensifying trough located from AnticostiIsland to the Gulf of Maine.
By 3:30 p.m. ADT Wednesday trough located from Banquereau to
Georges Bank.
Marine Weather Statement
Issued 7:34 PM ADT 14 July 2026 A trough of low pressure from Anticosti to the Gulf of Maine willintensify as it tracks across the Maritimes tonight to lie over
southeastern waters Wednesday afternoon. Strong southwest winds will
strengthen to gale force over southeastern waters on Wednesday ahead
of the approaching trough.
Marine interests are advised that gale warnings are in effect for
Georges Bank, West Scotian Slope, Sable, East Scotian Slope,
Banquereau, and Laurentian Fan.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau - northwestern half
- Banquereau - southeastern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast
- East Scotian Slope - northwestern half
- East Scotian Slope - southeastern half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northwestern half
- Laurentian Fan - southeastern 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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