Marine Forecast
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Gale warning in effect.
Wind west 25 to 35 knots except west 45 near the mouth of the
Saguenay River. Wind becoming westerly 20 to 30 late overnight except west 35
near the mouth of the Saguenay River. Wind becoming west 15 to 25 Friday morning
then increasing to southwest 25 to 35 near noon Friday. Wind diminishing to west
10 to 20 Friday evening.
Scattered flurries Friday late in the
day.
Freezing spray warning in effect.
Freezing spray ending Friday morning. Freezing spray Friday
afternoon and evening.
Low tonight minus 12. High Friday minus 7.
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 west 25 to 35 knots except west 45 near the mouth of the
Saguenay River. Wind becoming westerly 20 to 30 late overnight except west 35
near the mouth of the Saguenay River. Wind becoming west 15 to 25 Friday morning
then increasing to southwest 25 to 35 near noon Friday. Wind diminishing to west
10 to 20 Friday evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Seas 1 to 2 metres subsiding to 1 early Friday morning then
building to 1 to 2 Friday afternoon.
Weather & Visibility
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Scattered flurries Friday late in the
day.
Air temperature
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Low tonight minus 12. High Friday minus 7.
Freezing Spray
Issued 03:00 PM EST 04 December 2025
Tonight and Friday.
Freezing spray warning in effect.
Freezing spray ending Friday morning. Freezing spray Friday
afternoon and evening.
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 coasts.
Warnings (In effect)
Tadoussac to Pointe à Michel
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.
Tadoussac to Pointe à Michel
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.