Marine Forecast
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Gale warning in effect.
Wind northwesterly 35 to 45 knots diminishing to northwest 25 to
35 near noon Friday and to northwest 15 to 25 Friday evening.
Flurries ending near midnight. Visibility as low as 1 mile
in flurries.
Freezing spray warning in effect.
Freezing spray.
Temperatures minus 2 falling to minus 9 Friday
morning.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Gale warning in effect.
Wind northwesterly 35 to 45 knots diminishing to northwest 25 to
35 near noon Friday and to northwest 15 to 25 Friday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Seas 2 to 3 metres subsiding to 1 to 2 Friday
afternoon.
Weather & Visibility
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Flurries ending near midnight. Visibility as low as 1 mile
in flurries.
Air temperature
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Temperatures minus 2 falling to minus 9 Friday
morning.
Freezing Spray
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Freezing spray warning in effect.
Freezing spray.
Ice Forecasts
Issued 10:00 AM EST 4 December 2025 Today Tonight and Friday Ice Edge
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 except 2 tenths new ice along parts of the coast.
Warnings (In effect)
Pointe-des-Monts to Anticosti - northern half
Issued 9:03 PM EST 04 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.
Pointe-des-Monts to Anticosti - northern half
Issued 9:03 PM EST 04 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 3:00 PM EST 4 December 2025 Tonight and Friday At 3:00 p.m. EST today intensifying low 996 mb located over the
Gulf of St. Lawrence.
By 7:00 p.m. EST Friday low 959 mb located east of Newfoundland.
At 3:00 p.m. EST today ridge located on a line northeast-southwest
over Lake Huron.
By 7:00 p.m. EST Friday ridge located on a line north-south over
Saguenay River.
At 7:00 p.m. EST Friday approaching trough located on a line
northeast-southwest over Lake Superior.