Grand Manan
Forecast
Marine Forecast
Issued 10:00 AM ADT 12 May 2026
Today Tonight and Wednesday.
Wind northerly 15 to 20 knots backing to westerly 15 to 20 near noon then diminishing to northwest 10 to 15 near midnight. Wind diminishing to light early Wednesday morning then becoming southwest 15 Wednesday afternoon.
Waves
Issued 05:00 AM ADT 12 May 2026
Today Tonight and Wednesday.
Seas 1 metre or less.
Extended Forecast
Issued 03:00 AM ADT 12 May 2026
Thursday
Wind south 15 knots backing to southeast 20
in the afternoon.
Friday
Wind northeast 25 knots.
Saturday
Wind northerly 15 knots increasing to
southwest 20.
Ice Forecast
Stay connected
Weather Conditions
Zoom-in to make a selection
Legend:
Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 12 May 2026 Today Tonight and WednesdayIce Edge
Ice edge estimated from Quebec near 5016N 6251W to 4956N 6207W to4956N 5959W to 5116N 5738W to Quebec near 5125N 5736W. Sea ice north
of the ice edge.
Ice Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 10:00 AM ADT 12 May 2026 Today Tonight and Wednesday At 10:00 a.m. ADT today deepening low 1004 mb located near SableIsland.
By 3:30 p.m. ADT Wednesday departing low 988 mb located north
of Newfoundland.
At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 8:00 p.m. ADT Wednesday ridge located from the Gaspe Peninsula
to West Scotian Slope.
Marine Weather Statement
Issued 9:39 AM ADT 12 May 2026 A developing low pressure system near Sable Island will movenortheast to lie north of Newfoundland by tomorrow afternoon. Strong
to gale force west to northwesterlies will develop later this evening
in the wake of the low.
Marine interests are advised that gale warnings are in effect for
Banquereau, Laurentian Fan - eastern half, and Cabot Strait.
Atlantic - Maritimes Area
- Anticosti - eastern half
- Anticosti - western half
- Banquereau - eastern half
- Banquereau - western half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope - eastern half
- East Scotian Slope - western half
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - eastern half
- Laurentian Fan - western half
- 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
Features
Colour-coded weather alerts
Learn more about weather alerting in Canada
- Date modified:
ATOM