Marine Forecast
Issued 03:00 AM AST 06 December 2025
Today Tonight and Sunday.
Wind west 25 knots diminishing to northwest 15 early this
morning and to light near noon. Wind increasing to southwest 10 to 15 this
evening then veering to west 20 Sunday morning. Wind veering to northwest 15
Sunday evening.
Scattered flurries ending early this morning. Flurries
beginning this evening and becoming showers or flurries after midnight and
ending near noon Sunday. Visibility 1 mile or less in
precipitation.
Freezing spray warning in effect.
Freezing spray ending this morning.
Temperatures minus 6 rising to plus 3 Sunday morning then
falling to minus 2 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 west 25 knots diminishing to northwest 15 early this
morning and to light near noon. Wind increasing to southwest 10 to 15 this
evening then veering to west 20 Sunday morning. Wind veering to northwest 15
Sunday evening.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 05 December 2025
Tonight and Saturday.
Seas 3 to 5 metres subsiding to 2 to 3 late this evening and to 1
to 2 late overnight. Seas subsiding to 1 or less Saturday morning.
Weather & Visibility
Issued 03:00 AM AST 06 December 2025
Today Tonight and Sunday.
Scattered flurries ending early this morning. Flurries
beginning this evening and becoming showers or flurries after midnight and
ending near noon Sunday. Visibility 1 mile or less in
precipitation.
Air temperature
Issued 03:00 AM AST 06 December 2025
Today Tonight and Sunday.
Temperatures minus 6 rising to plus 3 Sunday morning then
falling to minus 2 Sunday evening.
Freezing Spray
Issued 03:00 AM AST 06 December 2025
Today Tonight and Sunday.
Freezing spray warning in effect.
Freezing spray ending this morning.
Ice Forecasts
Issued 10:00 AM EST 5 December 2025 Today Tonight and Saturday Ice Edge
First 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.
Iceberg Bulletin
Issued 1:30 PM EST 5 December 2025 Iceberg Limit
Iceberg limit at 0000 UTC 6 Dec estimated from Newfoundland near
4830N 5310W to 4900N 4815W to 5000N 4700W to 5100N 4730W to 5945N
5730W to 6120N 5340W then eastward.Iceberg Count
No confirmed icebergs.
Warnings (In effect)
Gulf - Magdalen - southwestern half
Issued 03:00 AM AST 06 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.
Warnings (Ended)
Gulf - Magdalen - southwestern half
Issued 03:00 AM AST 06 December 2025
Technical Marine Synopsis
Issued 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 Statement
Issued 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.