Grand Manan
Forecast
Marine Forecast
Issued 08:00 PM ADT 24 June 2025
Tonight and Wednesday.
Wind southwest 15 to 20 knots diminishing to light after midnight then becoming northerly 15 Wednesday afternoon.
Scattered showers ending overnight with a risk of thunderstorms. Fog patches dissipating Wednesday afternoon.
Waves
Issued 05:00 PM ADT 24 June 2025
Tonight and Wednesday.
Seas 1 metre or less.
Extended Forecast
Issued 03:30 PM ADT 24 June 2025
Thursday
Wind light becoming southwest 15 knots in the
afternoon.
Friday
Wind light.
Saturday
Wind variable 10 to 15 knots.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 24 June 2025 Tonight and Wednesday At 8:00 p.m. ADT tonight trough located from Anticosti Island tothe Gulf of Maine.
By 3:00 a.m. ADT Wednesday trough located on a line
northeast-southwest over Nova Scotia.
At 8:00 p.m. ADT Wednesday trough located on a line east-west over
the southern Marine District.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northern half
- Gulf - Magdalen - southern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- 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
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
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