Chaleur - Miscou - western half
Forecast
Marine Forecast
Issued 08:00 PM ADT 18 April 2025
Tonight and Saturday.
Wind west 15 knots diminishing to light near midnight then becoming variable 10 to 15 Saturday afternoon.
Showers overnight. Periods of rain Saturday afternoon and evening. Fog patches forming late overnight.
Extended Forecast
Issued 03:30 PM ADT 18 April 2025
Sunday
Wind northwest 25 knots increasing to northwest
25 to 35 in the afternoon.
Monday
Wind northwest 25 to 30 knots diminishing to
northwest 15 late in the day.
Tuesday
Wind northwest 15 knots becoming southeast
15.
Ice Forecast
Issued 10:00 AM EDT 18 April 2025 Today Tonight and Saturday Open water except 2 tenths first-year ice near Dalhousie.
Consolidated rotten first-year ice along parts of the coasts.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 18 April 2025 Today Tonight and SaturdayIce Edge
First ice edge estimated from New Brunswick near 4700N 6449W to4831N 6351W to Quebec near 4851N 6412W. Sea ice west of the ice
edge.
Second ice edge estimated from Quebec near 4904N 6646W to 5005N
6518W to 4936N 5930W to Newfoundland near 5022N 5732W. Sea ice north
of the ice edge.
Ice Coverage
Open water except 2 tenths first-year ice near Dalhousie.
Consolidated rotten first-year ice along parts of the coasts.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 8:00 PM ADT 18 April 2025 Tonight and Saturday At 8:00 p.m. ADT tonight ridge located over the southern MarineDistrict.
By 3:00 a.m. ADT Saturday ridge located south of the Marine
District.
At 3:00 a.m. ADT Saturday trough located over the Great Lakes.
By 8:00 p.m. ADT Saturday trough located over the Gaspe Peninsula.
Marine Weather Statement
Issued 7:27 PM ADT 18 April 2025 A ridge of high pressure over the southern marine district will moveoff to the southeast tonight. Meanwhile a trough of low pressure will
move to lie over the Gaspé Peninsula by Saturday evening. Strong to
gale force southwesterlies will develop across the district Saturday
in between these two features.
Marine interests are advised that gale warnings are in effect for
Browns Bank, Georges Bank, LaHave Bank, West Scotian Slope, eastern
shore - eastern half, Sable, East Scotian Slope and Fourchu.
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 - northern half
- Gulf - Magdalen - southern 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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