Marine Forecast
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind west 35 to 45 knots diminishing to west 25 to 35 early this
morning and to southwesterly 20 late this morning. Wind diminishing to light
this evening then becoming southwest 15 Sunday morning. Wind diminishing to
light Sunday afternoon then increasing to northwest 15 to 25 Sunday
evening.
Flurries ending early this morning. Snow tonight and
Sunday. Visibility 1 mile or less in snow.
Over open water risk of freezing spray this
morning.
Temperatures minus 4 rising to plus 1 near noon
Sunday.
Strong wind warning program has ended for the season.
Winds
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind west 35 to 45 knots diminishing to west 25 to 35 early this
morning and to southwesterly 20 late this morning. Wind diminishing to light
this evening then becoming southwest 15 Sunday morning. Wind diminishing to
light Sunday afternoon then increasing to northwest 15 to 25 Sunday
evening.
Strong wind warning program has ended for the season.
Waves
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Over open water seas 1 to 2 metres subsiding to 1 or less this
morning.
Weather & Visibility
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Flurries ending early this morning. Snow tonight and
Sunday. Visibility 1 mile or less in snow.
Air temperature
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Temperatures minus 4 rising to plus 1 near noon
Sunday.
Freezing Spray
Issued 03:00 AM EST 20 December 2025
Today Tonight and Sunday.
Over open water risk of freezing spray this
morning.
There is no ice forecast issued for this area.
Warnings (In effect)
L'Isle-aux-Coudres to Tadoussac
Issued 03:00 AM EST 20 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.
Technical Marine Synopsis
Issued 3:00 AM EST 20 December 2025 Today Tonight and Sunday At 3:00 a.m. EST today low 966 mb located over western Labrador.
By 7:00 p.m. EST tonight departing low 950 mb located over
Labrador Sea.
At 3:00 a.m. EST today ridge located on a line north-south over
the eastern Great Lakes.
By 7:00 p.m. EST Sunday ridge located east of Newfoundland.
At 3:00 a.m. EST today low 994 mb located over southeastern
Manitoba.
By 7:00 p.m. EST Sunday low 1003 mb located over western
Newfoundland.