Marine Forecast
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Wind west 15 knots diminishing to light late overnight then
becoming south 15 early Saturday evening.
Temperatures minus 3 rising to plus 5 Saturday
evening.
Strong wind warning program has ended for the season.
Winds
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Wind west 15 knots diminishing to light late overnight then
becoming south 15 early Saturday evening.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 05 December 2025
Tonight and Saturday.
Seas 1 metre or less.
Air temperature
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Temperatures minus 3 rising to plus 5 Saturday
evening.
Ice ForecastsIssued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Ice EdgeFirst ice edge estimated from New Brunswick near 4705N 6450W to 4758N 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.
No watches or warnings in effect.
Technical Marine SynopsisIssued 8:00 PM AST 5 December 2025 Tonight and Saturday At 8:00 p.m. AST tonight departing low 973 mb located northeast of 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 StatementIssued 7:32 PM AST 5 December 2025 An intense low pressure system northeast of Newfoundland will slowly track 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.
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