Marine Forecast
Issued 03:00 AM AST 06 December 2025
Today Tonight and Sunday.
Wind southwest 10 to 15 knots diminishing to light early this
morning then becoming south 15 early this evening. Wind veering to west 10 to 15
near midnight then to northwest 15 Sunday morning. Wind diminishing to light
Sunday evening.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM AST 06 December 2025
Today Tonight and Sunday.
Wind southwest 10 to 15 knots diminishing to light early this
morning then becoming south 15 early this evening. Wind veering to west 10 to 15
near midnight then to northwest 15 Sunday morning. Wind diminishing to light
Sunday evening.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 AM AST 06 December 2025
Today Tonight and Sunday.
Seas 1 metre or less building to 1 to 2 late
overnight.
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 3:00 AM AST 6 December 2025 Today Tonight and Sunday At 3:00 a.m. AST today departing low 960 mb located northeast of Newfoundland.
At 3:00 a.m. AST Sunday low 1004 mb located near the St. Lawrence River. By 3:30 p.m. AST Sunday low 1000 mb located over the northeastern Gulf of St. Lawrence.
At 3:00 a.m. AST today ridge located over the western Marine District. By 8:00 p.m. AST tonight ridge located over the eastern Marine District.
Marine Weather StatementIssued 3:09 AM AST 6 December 2025 An intense low pressure system northeast of Newfoundland will continue to move eastward, farther away from the marine district today. A ridge of high pressure over western waters will move to lie over the eastern marine district by this evening. Gale force northwesterlies over eastern waters will diminish today.
Marine interests are advised that gale warnings are in effect for Laurentian Fan - northeastern half, Banquereau and Cabot Strait.
Marine interests are also advised that freezing spray warnings are in effect for Cabot Strait, Gulf-Magdalen, Chaleur-Miscou and Anticosti.
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