Marine Forecast
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Gale warning in effect.
Wind northwest 40 knots diminishing to northwest 30 early
Saturday morning and to northwest 20 near noon Saturday. Wind diminishing to
light early Saturday evening.
Flurries. Visibility 1 mile or less in
flurries.
Freezing spray warning in effect.
Freezing spray ending Saturday morning.
Temperatures near minus 3.
Strong wind warning program has ended for the season.
Winds
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Gale warning in effect.
Wind northwest 40 knots diminishing to northwest 30 early
Saturday morning and to northwest 20 near noon Saturday. Wind diminishing to
light early Saturday evening.
Strong wind warning program has ended for the season.
Waves
Issued 05:00 PM AST 05 December 2025
Cabot Strait - northern half
Tonight and Saturday.
Seas 6 to 8 metres subsiding to 4 to 6 this evening and to 2 to 3
Saturday morning. Seas subsiding to 1 to 2 Saturday evening.
Cabot Strait - southern half
Tonight and Saturday.
Seas 6 to 8 metres subsiding to 4 to 6 this evening and to 3 to 4
late overnight. Seas subsiding to 2 to 3 Saturday morning and to 1 to 2 Saturday
afternoon and to 1 or less Saturday evening.
Weather & Visibility
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Flurries. Visibility 1 mile or less in
flurries.
Air temperature
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Temperatures near minus 3.
Freezing Spray
Issued 08:00 PM AST 05 December 2025
Tonight and Saturday.
Freezing spray warning in effect.
Freezing spray ending Saturday 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)
Cabot Strait
Issued 8:00 PM AST 05 December 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.
Cabot Strait
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.
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 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 Statement
Issued 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.