Grand Manan
Forecast
Marine Forecast
Issued 03:00 AM AST 09 December 2025
Today Tonight and Wednesday.
Wind northwest 20 to 25 knots diminishing to westerly 15 early this morning then increasing to southwest 25 near midnight. Wind diminishing to west 15 Wednesday morning then increasing to south 25 Wednesday afternoon.
Showers or flurries overnight and Wednesday morning. Showers Wednesday evening.
Freezing spray warning in effect.
Freezing spray ending this morning.
Temperatures minus 6 rising to plus 8 Wednesday evening.
Strong wind warning program has ended for the season.
Waves
Extended Forecast
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 8 December 2025 Today Tonight and TuesdayIce Edge
First ice edge estimated from 4723N 6136W to 4738N 6112W to 4744N6124W to 4734N 6159W to 4706N 6212W to 4706N 6147W to 4723N 6136W.
Sea ice within the ice edge.
Second ice edge estimated from Nova Scotia near 4546N 6254W to 4558N
6310W to Prince Edward Island near 4558N 6250W. Sea ice west of the
ice edge.
Third ice edge estimated from Prince Edward Island near 4630N 6319W
to 4741N 6431W to 4827N 6402W to 4904N 6404W to 4925N 6516W to 4916N
6703W to 4956N 6635W to Anticosti Island near 4924N 6336W. Sea ice
west then north of the ice edge.
Fourth ice edge estimated from Anticosti Island near 4949N 6317W to
4946N 5954W to Quebec near 5125N 5736W. Sea ice north of the ice
edge.
Ice Coverage
Ice free.
Warnings
Warnings (In effect)
Freezing spray warning in effect
Grand Manan
Issued 03:00 AM AST 09 December 2025Moderate or severe freezing spray is 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 9 December 2025 Today Tonight and Wednesday At 3:00 a.m. AST today departing low 975 mb located east ofNewfoundland.
At 3:00 a.m. AST today ridge located over New England.
By 8:00 p.m. AST tonight ridge located over the southern Marine
District.
At 8:00 p.m. AST tonight approaching trough located over New
England.
Marine Weather Statement
Issued 2:50 AM AST 9 December 2025 A low pressure system east of Newfoundland will continue departingtoday. Strong to gale force northwesterlies will diminish slightly as
the low pulls away.
A trough of low pressure will approach tonight and cross the marine
district Wednesday. Strong to potentially gale force southwesterlies
will develop ahead of this feature.
Marine interests are advised that gale warnings are in effect for
Banquereau, Cabot Strait, Gulf - Magdalen - northern half, Chaleur -
Miscou, and Anticosti.
Freezing spray warnings are in effect for Grand Manan, Lurcher,
southwestern shore, eastern shore, Fourchu, Cabot Strait, and all
Gulf of St. Lawrence waters.
Atlantic - Maritimes Area
- Anticosti
- Banquereau - northern half
- Banquereau - southern half
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank
- Grand Manan
- Gulf - Magdalen - northern half
- Gulf - Magdalen - southern 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
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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