Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM ADT 23 June 2025
Today Tonight and Tuesday.
Wind light increasing to southwest 15 knots overnight and to southwest 15 to 20 Tuesday morning.
Scattered showers Tuesday evening. Fog patches.
Waves
Issued 05:00 AM ADT 23 June 2025
Today Tonight and Tuesday.
Seas 1 to 2 metres subsiding to 1 or less this morning then
building to 1 to 2 Tuesday afternoon.
Extended Forecast
Issued 03:00 AM ADT 23 June 2025
Wednesday
Wind northerly 10 to 15 knots becoming
variable 10 to 15 in the afternoon.
Thursday
Wind light.
Friday
Wind northeast 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 3:00 AM ADT 23 June 2025 Today Tonight and Tuesday At 3:00 a.m. ADT today trough located from the Gulf of St. Lawrenceto Cape Cod.
By 3:30 p.m. ADT today trough located from Newfoundland to East
Scotian Slope.
At 8:00 p.m. ADT tonight trough located over southern Quebec.
By 8:00 p.m. ADT Tuesday trough from 998 mb low located over
Labrador to Cape Cod.
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
Another Region
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