Northumberland Strait - western half
Forecast
Marine Forecast
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Wind west 25 knots diminishing to west 15 to 20 after midnight and to light early Saturday morning. Wind becoming south 10 to 15 Saturday evening.
Freezing spray warning in effect.
Freezing spray ending after midnight.
Temperatures minus 8 rising to minus 1 Saturday evening.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 03:30 PM AST 05 December 2025
Sunday
Wind south 15 knots becoming northwest 15 in
the afternoon.
Monday
Wind northwest 15 knots increasing to northwest
30.
Tuesday
Wind west 20 to 25 knots.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EST 5 December 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from New Brunswick near 4705N 6450W to4758N 6416W to Gaspe Peninsula near 4830N 6413W. Sea ice east of the
ice edge.
Second ice edge estimated from Gaspe Peninsula near 4856N 6712W to
4956N 6635W to 4958N 6014W to Quebec near 5125N 5737W. Sea ice north
of the ice edge.
Ice Coverage
Open water.
Warnings
Warnings (In effect)
Freezing spray warning in effect
Northumberland Strait - western half
Issued 8:00 PM AST 05 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 8:00 PM AST 5 December 2025 Tonight and Saturday At 8:00 p.m. AST tonight departing low 973 mb located northeastof Newfoundland.
At 8:00 p.m. AST tonight ridge located over the Gulf of Maine.
By 8:00 p.m. AST Saturday ridge located over the eastern Marine
District.
Marine Weather Statement
Issued 7:32 PM AST 5 December 2025 An intense low pressure system northeast of Newfoundland will slowlytrack eastward and away from the region tonight. A ridge of high
pressure over the western marine district will move to lie over the
eastern marine district by Saturday evening. Gale to storm force
northwesterlies are expected between these two features with light to
moderate winds under the ridge.
Marine interests are advised that a storm warning is in effect for
Banquereau. Gale warnings are in effect for eastern shore - eastern
half, Sable - eastern half, East Scotian Slope - eastern half,
Fourchu, Laurentian Fan, Cabot Strait, Gulf-Magdalen , Chaleur-Miscou
- eastern half, and Anticosti - southeastern half.
Marine interests are also advised that freezing spray warnings are in
effect for Cabot Strait and all Gulf of St Lawrence waters.
Atlantic - Newfoundland Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau - northern half
- Banquereau - southern half
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan
- Mid Labrador Coast - Hopedale and south
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Sable - eastern half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea
- Strait of Belle Isle - eastern half
- Strait of Belle Isle - western half
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