Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM AST 07 November 2025
Today Tonight and Saturday.
Strong wind warning in effect.
Wind northwest 20 knots diminishing to westerly 15 near noon then increasing to south 20 this evening. Wind increasing to south 25 to 30 after midnight then diminishing to southwest 20 Saturday morning. Wind diminishing to southwest 15 Saturday afternoon then veering to northwest 15 Saturday evening.
Rain overnight and Saturday morning.
Waves
Issued 05:00 AM AST 07 November 2025
Today Tonight and Saturday.
Seas 1 to 2 metres building to 2 to 3 late overnight then
subsiding to 1 to 2 near noon Saturday.
Extended Forecast
Issued 03:00 AM AST 07 November 2025
Sunday
Wind northerly 15 knots diminishing to light in
the morning then increasing to east 15 to 20 late in the day.
Monday
Wind east 30 knots diminishing to south
15.
Tuesday
Wind northwest 20 knots increasing to west
30.
Stay connected
Weather Conditions
Zoom-in to make a selection
Legend:
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 AST 07 November 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 AST 7 November 2025 Today Tonight and Saturday At 3:00 a.m. AST today departing low 962 mb located northeastof Newfoundland.
At 8:00 p.m. AST tonight low 991 mb located near the Great Lakes.
By 8:00 p.m. AST Saturday low 1001 mb located near Anticosti Island.
At 3:00 a.m. AST today ridge located west of the Marine District.
By 3:30 p.m. AST Saturday ridge located east of the Marine District.
Marine Weather Statement
Issued 2:52 AM AST 7 November 2025 An intense low pressure system east of Newfoundland will continue totrack northeastward away from the region today. Strong to gale force
northwest winds will diminish in the wake of the low.
Marine interests are advised that gale warnings are in effect for
eastern shore - eastern half, Sable - eastern half, Fourchu,
Banquereau, Laurentian Fan, Cabot Strait and the Gulf of St. Lawrence
waters.
Outlook for the start-up of the Southwest New Brunswick lobster
fishery.
Lfa 36
Sunday..Winds north 15 knots diminishing to light in the morning.
Winds increasing to east 15 knots in the evening. Seas less than 1
metre.
Monday..Winds east 25 to 30 knots diminishing to southeast 20 in the
morning and to southeast 15 in the afternoon. Winds light in the
evening. Seas near 1 metre subsiding to less than 1 metre in the
evening.
Tuesday..Winds northwest 15 knots increasing to west 20 near noon
And to west 25 to 30 in the evening. Seas less than 1 metre building
to 1 to 2 metres in the evening.
Lfa 38
Sunday..Winds north 15 knots diminishing to light in the morning.
Winds increasing to east 20 knots in the evening. Seas near 1 metre
subsiding to less than 1 metre in the morning.
Monday..Winds southeast 25 to 30 knots diminishing to southeast 20
In the morning and to southeast 15 near noon. Winds light in the
afternoon. Seas 1 to 2 metres building to near 2 metres in the
morning and subsiding to near 1 metres in the afternoon.
Tuesday..Winds northwest 20 knots increasing to west 25 to 30 in
The evening. Less than 1 metre building to 1 to 2 metres in the
afternoon.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau - eastern half
- Banquereau - western half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northeastern half
- Laurentian Fan - southwestern 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 - Cape St. Mary's and east
- South Coast - west of Cape St. Mary's
- Tadoussac to Pointe à Michel
- West Scotian Slope
Another Region
- Date modified:
ATOM