Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM ADT 17 June 2025
Today Tonight and Wednesday.
Wind light increasing to southeasterly 10 to 15 knots near midnight and to south 15 to 20 near noon Wednesday. Wind diminishing to south 10 to 15 Wednesday evening.
Rain and fog patches overnight and Wednesday.
Waves
Issued 05:00 AM ADT 17 June 2025
Today Tonight and Wednesday.
Seas 1 metre or less.
Extended Forecast
Issued 03:00 AM ADT 17 June 2025
Thursday
Wind light increasing to southwest 15 to 20
knots in the afternoon.
Friday
Wind light.
Saturday
Wind light.
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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 3:00 AM ADT 17 June 2025 Today Tonight and Wednesday At 3:00 a.m. ADT today ridge located from the Gulf of Maine tothe Grand Banks.
By 3:00 a.m. ADT Wednesday departing ridge located east of the
Grand Banks.
At 8:00 p.m. ADT tonight intensifying low 994 mb located near
James Bay.
By 8:00 p.m. ADT Wednesday trough from 979 mb low located from
Labrador Coast to the Gaspe Peninsula.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen
- 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
- 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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