Pointe-des-Monts to Anticosti - southern half
Forecast
Marine Forecast
Issued 03:00 AM EDT 21 June 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind northwest 25 to 35 knots diminishing to west 15 to 20 this morning and to light early this evening. Wind becoming south 10 to 15 Sunday morning then backing to east 10 to 15 near noon Sunday.
Periods of rain and fog banks ending early this morning. Showers Sunday.
Waves
Issued 03:00 AM EDT 21 June 2025
Today Tonight and Sunday.
Seas 1 to 2 metres subsiding to 1 or less this
evening.
Extended Forecast
Issued 06:00 PM EDT 20 June 2025
Sunday
Wind southeast 10 to 15 knots backing to
northeast 10 to 20 in the morning.
Monday
Wind light.
Tuesday
Wind easterly 15 to 25 knots diminishing to
light.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Warnings
Warnings (In effect)
Gale warning in effect
Pointe-des-Monts to Anticosti - southern half
Issued 03:00 AM EDT 21 June 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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM EDT 21 June 2025 Today Tonight and Sunday At 3:00 a.m. EDT today low 995 mb located near Gaspé.By 5:00 a.m. EDT Sunday low 998 mb located off Labrador.
At 3:00 a.m. EDT today ridge located from James Bay to Lake Ontario.
By 8:00 p.m. EDT Sunday weakening ridge located on a line
north-south over Newfoundland.
At 8:00 p.m. EDT tonight low located over southern James Bay.
By 8:00 p.m. EDT Sunday weakening low located over New Brunswick.
St. Lawrence - St. Lawrence River Area
- Anticosti - eastern half
- Anticosti - western half
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- 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: