Grand Manan
Forecast
Marine Forecast
Issued 08:00 PM ADT 21 May 2026
Tonight and Friday.
Strong wind warning in effect.
Wind westerly 10 to 15 knots becoming light late this evening then increasing to southwest 20 Friday afternoon. Wind diminishing to west 15 Friday evening.
Waves
Issued 05:00 PM ADT 21 May 2026
Tonight and Friday.
Seas 1 metre or less.
Extended Forecast
Issued 03:30 PM ADT 21 May 2026
Saturday
Wind light increasing to southwest 15 to 20
knots in the afternoon.
Sunday
Wind light.
Monday
Wind southeast 15 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 21 May 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 or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 21 May 2026 Tonight and Friday At 8:00 p.m. ADT tonight ridge located over New England.By 3:30 p.m. ADT Friday ridge located over the southwestern Marine
District.
Marine Weather Statement
Issued 7:38 PM ADT 21 May 2026 Gale force northwesterlies will reintensify over northern watersFriday afternoon between a building ridge from the west and a low
pressure system well off to the northeast.
Marine interests are advised that gale warnings are in effect for
Cabot Strait - northern half, Gulf-Magdalen - northeastern half, and
Anticosti.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern 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
- 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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- Date modified:
ATOM