Pointe-des-Monts to Anticosti - southern half
Forecast
Marine Forecast
Issued 03:00 PM EDT 20 July 2025
Tonight and Monday.
Strong wind warning in effect.
Wind light with gusts to 30 knots near thunderstorms late this afternoon and this evening. Wind becoming northerly 15 near midnight then increasing to westerly 15 to 25 near noon Monday.
Showers. Risk of thunderstorms late this afternoon and this evening. Visibility as low as 1 mile in showers.
Waves
Issued 03:00 PM EDT 20 July 2025
Tonight and Monday.
Seas 1 metre or less building to 1 to 2 Monday
afternoon.
Extended Forecast
Issued 06:00 AM EDT 20 July 2025
Tuesday
Wind northwest 15 knots increasing to westerly
15 to 25 in the morning.
Wednesday
Wind southwest 15 knots increasing to
southwest 15 to 25.
Thursday
Wind southwest 15 to 25 knots.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Warnings
Warnings (In effect)
Strong wind warning in effect
Pointe-des-Monts to Anticosti - southern half
Issued 3:00 PM EDT 20 July 2025'Strong' winds of 20 to 33 knots are 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 PM EDT 20 July 2025 Tonight and Monday At 3:00 p.m. EDT today trough located on a line northeast-southwestover Saguenay River.
By 8:00 p.m. EDT Monday trough located on a line north-south
over Newfoundland.
At 3:00 p.m. EDT today high located on a line north-south over
Lake Superior.
By 8:00 p.m. EDT Monday high located on a line north-south over
Lake Ontario.
St. Lawrence - St. Lawrence River Area
- Anticosti
- Beauport to L'Isle-aux-Coudres
- Browns Bank
- Chaleur - Miscou
- Cornwall to Montréal
- Donnacona to Beauport
- Fundy
- Grand Manan
- Gulf - Magdalen
- 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
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