Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM ADT 22 June 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwest 10 to 15 knots increasing to southerly 25 this morning then diminishing to southwest 10 to 15 this evening. Wind becoming northerly 10 to 15 near midnight then becoming light Monday morning.
Periods of rain today and this evening. Fog patches forming this morning and dissipating Monday afternoon.
Waves
Issued 05:00 AM ADT 22 June 2025
Today Tonight and Monday.
Seas 1 metre or less building to 1 to 2 this morning then
subsiding to 1 or less Monday morning.
Extended Forecast
Issued 03:30 PM ADT 21 June 2025
Monday
Wind light.
Tuesday
Wind southwest 15 to 20 knots.
Wednesday
Wind northwest 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
Warnings (In effect)
Strong wind warning in effect
Grand Manan
Issued 03:00 AM ADT 22 June 2025'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 3:00 AM ADT 22 June 2025 Today Tonight and Monday At 3:00 a.m. ADT today ridge located from Georges Bank to AnticostiIsland.
By 3:30 p.m. ADT today departing ridge located over the southeastern
Marine District.
At 10:00 a.m. ADT today trough located west of the Marine District.
By 3:00 a.m. ADT Monday weakening trough located from the Gulf of
St. Lawrence to Cape Cod.
At 8:00 p.m. ADT Monday approaching trough located over southern
Quebec.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - eastern half
- Gulf - Magdalen - western half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait - eastern half
- 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
- Sable - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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