Grand Manan
Forecast
Marine Forecast
Issued 08:00 PM ADT 25 October 2026
Tonight and Monday.
Strong wind warning in effect.
Wind southwesterly 15 knots increasing to southwest 25 near midnight then diminishing to westerly 15 late Monday afternoon. Wind increasing to northerly 20 Monday evening.
Waves
Issued 05:00 PM ADT 25 October 2026
Tonight and Monday.
Seas 1 metre or less.
Extended Forecast
Issued 03:30 PM ADT 25 October 2026
Tuesday
Wind northwesterly 20 knots.
Wednesday
Wind northwest 10 to 15 knots.
Thursday
Wind northwest 10 to 15 knots increasing to
southwest 25 to 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.Warnings
Warnings (In effect)
Strong wind warning in effect
Grand Manan
Issued 8:00 PM ADT 25 October 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 25 October 2026 Tonight and Monday At 8:00 p.m. ADT tonight ridge located from Cape Cod to Browns Bank.By 3:00 a.m. ADT Monday ridge located on a line east-west over
the southern Marine District.
At 8:00 p.m. ADT tonight trough located over Quebec.
By 8:00 p.m. ADT Monday trough located from Newfoundland to the
Gulf of Maine.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern 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
- 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 - northern half
- Southwestern Grand Banks - northern half
- Southwestern Grand Banks - southern half
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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