Anticosti - northwestern half
Forecast
Marine Forecast
Issued 08:00 PM ADT 20 May 2025
Tonight and Wednesday.
Wind northerly 15 knots becoming variable 10 to 15 Wednesday morning.
Waves
Issued 05:00 PM ADT 20 May 2025
Tonight and Wednesday.
Seas 1 to 2 metres.
Extended Forecast
Issued 03:30 PM ADT 20 May 2025
Thursday
Wind variable 15 knots.
Friday
Wind east 15 to 20 knots backing to northeast
25.
Saturday
Wind east 25 knots increasing to northeast 25
to 35 late in the day.
Ice Forecast
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 20 May 2025 Today Tonight and WednesdayIce Edge
Ice edge estimated from Quebec near 5126N 5739W to 5059N 5746W to 5106N 5720W then northeastward. Sea ice north of the ice edge.Ice Coverage
Bergy water.
Iceberg Bulletin
Issued 3:12 PM EDT 20 May 2025Iceberg Limit
Iceberg limit at 0000 UTC 21 May estimated from Newfoundland near 4723N 5503W to 4130N 5215W to 4130N 4600W to 4825N 4035W to 5320N 4815W to 5915N 5605W to 5755N 5155W to 5900N 4845W then eastward.Iceberg Count
No confirmed icebergs except less than 10 icebergs east of the western iceberg limit.Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 20 May 2025 Tonight and Wednesday At 8:00 p.m. ADT tonight trough located on a line east-west overthe southern Marine District.
By 3:00 a.m. ADT Wednesday trough located south of the Marine
District.
At 10:00 a.m. ADT Wednesday ridge located from Labrador to New
England.
By 8:00 p.m. ADT Wednesday ridge located on a line north-south
over the Maritimes.
St. Lawrence - St. Lawrence River Area
- Anticosti - northwestern half
- Anticosti - southeastern 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 - northwestern half
- Kingston to Cornwall
- Lake Memphrémagog - northern half
- Lake Nipissing
- Lake Saint-Jean
- Lurcher - eastern half
- Lurcher - western half
- L'Isle-aux-Coudres to Tadoussac
- Montréal to Trois-Rivières
- Northumberland Strait - western half
- 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
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