Pointe-des-Monts to Anticosti - southern half
Forecast
Marine Forecast
Issued 03:00 AM EDT 22 March 2025
Today Tonight and Sunday.
Wind west 15 to 25 knots diminishing to west 10 to 15 this evening then increasing to northwest 20 to 30 overnight. Wind northwest 20 to 30 Sunday.
Flurries ending early this morning. Flurries Sunday. Visibility 1 mile or less in flurries.
Freezing spray warning in effect.
Freezing spray beginning Sunday morning.
Temperatures zero falling to minus 7 Sunday evening.
Strong wind warning program has ended for the season.
Waves
Extended Forecast
Ice Forecast
Stay connected
Weather Conditions
Zoom-in to make a selection



Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 21 March 2025 Today Tonight and SaturdayIce Edge
Ice edge estimated from Nova Scotia near 4521N 6100W to 4549N 5906Wto Newfoundland near 4736N 5740W. Sea ice north and west of the ice
edge.
Ice Coverage
Open water.
Warnings
Warnings (In effect)
Freezing spray warning in effect
Pointe-des-Monts to Anticosti - southern half
Issued 03:00 AM EDT 22 March 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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 22 March 2025 Today Tonight and Sunday At 3:00 a.m. EDT today low 987 mb located over Prince Edward Island.By 8:00 p.m. EDT Sunday low 978 mb located over Labrador Sea.
At 3:00 a.m. EDT today dissipating ridge located on a line
north-south over Saguenay River.
At 3:00 a.m. EDT today trough located on a line northeast-southwest
over Lake Huron.
By 8:00 p.m. EDT Sunday trough located on a line north-south over
Cape Breton Island.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Richelieu River and Northern Lake Champlain
- Saguenay to Tadoussac
- Tadoussac to Pointe à Michel
- Trois-Rivières to Donnacona
Another Region
- Date modified: