Pointe-des-Monts to Anticosti - southern half
Forecast
Marine Forecast
Issued 03:00 PM EDT 18 May 2025
Tonight and Monday.
Gale warning in effect.
Wind east 25 to 35 knots diminishing to northeast 15 to 25 early Monday morning then becoming northeasterly 15 Monday afternoon.
Periods of rain. Fog banks dissipating this evening. Visibility 1 mile or less in fog banks and as low as 1 mile in rain.
Waves
Issued 03:00 PM EDT 18 May 2025
Tonight and Monday.
Seas 2 metres subsiding to 1 or less Monday
evening.
Extended Forecast
Issued 06:00 AM EDT 18 May 2025
Tuesday
Wind northeast 15 knots.
Wednesday
Wind northeast 10 to 15 knots.
Thursday
Wind northeast 15 knots increasing to
northeast 15 to 25.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 16 May 2025 Forecasts have ended for the season.Warnings
Warnings (In effect)
Gale warning in effect
Pointe-des-Monts to Anticosti - southern half
Issued 3:00 PM EDT 18 May 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 PM EDT 18 May 2025 Tonight and Monday At 3:00 p.m. EDT today low 994 mb located over Maine.By 8:00 p.m. EDT Monday low 998 mb located south of Nova Scotia.
At 8:00 p.m. EDT tonight ridge located on a line north-south over
western Lake Superior.
By 8:00 p.m. EDT Monday ridge located on a line north-south over
Lake Erie.
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 - 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
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