Northumberland Strait
Forecast
Marine Forecast
Issued 03:00 AM ADT 16 May 2025
Today Tonight and Saturday.
Wind variable 10 to 15 knots becoming northeast 15 this morning then diminishing to light near midnight. Wind increasing to southeasterly 15 to 20 Saturday morning.
Showers today. Fog patches dissipating this afternoon.
Extended Forecast
Issued 03:00 AM ADT 16 May 2025
Sunday
Wind easterly 15 to 20 knots.
Monday
Wind northeast 25 knots.
Tuesday
Wind northeast 20 knots.
Ice Forecast
Issued 10:00 AM EDT 15 May 2025 Today Tonight and Friday Ice free.These are the last forecasts for the season.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 15 May 2025 Today Tonight and FridayIce Edge
Ice edge is outside the forecast region.Ice Coverage
Ice free.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 16 May 2025 Today Tonight and Saturday At 3:00 a.m. ADT today quasi-stationary trough located over thewestern Marine District.
At 3:00 a.m. ADT today departing ridge located south of the Marine
District.
St. Lawrence - St. Lawrence River Area
- Anticosti - northeastern half
- Anticosti - southwestern 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
- 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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