L'Isle-aux-Coudres to Tadoussac
Forecast
Marine Forecast
Issued 03:00 PM EDT 13 July 2025
Tonight and Monday.
Wind southwest 10 to 20 knots tonight and Monday.
Showers tonight with a risk of thunderstorms. Fog banks forming Monday morning and dissipating near noon Monday. Visibility as low as 1 mile in showers and 1 mile or less in fog banks.
Waves
Issued 03:00 PM EDT 13 July 2025
Tonight and Monday.
Seas 1 metre or less.
Extended Forecast
Issued 06:00 AM EDT 13 July 2025
Tuesday
Wind southwest 10 to 15 knots diminishing to
light late in the day.
Wednesday
Wind light becoming southwest 10 to 15
knots.
Thursday
Wind light.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
Warnings (In effect)
Squall warning in effect
L'Isle-aux-Coudres to Tadoussac
Issued 4:57 PM EDT 13 July 2025 Squalls with wind gusts up to 40 knots, frequent lightning and poor to very poor visibility in flurries heavy at times are expected or occurring in the area.Proceed with caution as visibility may suddenly be reduced to near zero. Mariners are advised to prepare for squalls. If underway, seek safe harbour immediately.
Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Synopsis
Technical Marine Synopsis
Issued 3:00 PM EDT 13 July 2025 Tonight and Monday At 3:00 p.m. EDT today low 988 mb located over James Bay.By 8:00 p.m. EDT Monday low 987 mb located over the Ungava
Peninsula.
At 3:00 p.m. EDT today trough located on a line northwest-southeast
over Lake Saint-Jean.
By 8:00 p.m. EDT Monday trough located on a line northeast-southwest
over Havre Saint-Pierre.
Atlantic - Maritimes Area
- Anticosti - northwestern half
- Anticosti - southeastern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore - eastern half
- Eastern Shore - western half
- East Coast - Cape St. Francis and south
- East Scotian Slope
- Fourchu
- Fundy
- Georges Bank - northern half
- Georges Bank - southern half
- Grand Manan
- Gulf - Magdalen
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan
- Lurcher
- L'Isle-aux-Coudres to Tadoussac
- Northumberland Strait
- Pointe à Michel to Pointe-des-Monts
- Pointe-des-Monts to Anticosti - northern half
- Pointe-des-Monts to Anticosti - southern half
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope - northern half
- West Scotian Slope - southern half
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