Northumberland Strait
Forecast
Marine Forecast
Issued 10:00 AM ADT 30 April 2025
Today Tonight and Thursday.
Strong wind warning in effect.
Wind south 30 knots becoming northwest 25 to 30 near noon then diminishing to northwest 15 Thursday morning. Wind diminishing to light Thursday afternoon.
Showers this morning with a risk of thunderstorms.
Extended Forecast
Issued 03:00 AM ADT 30 April 2025
Friday
Wind light becoming southeast 15 knots late in
the day.
Saturday
Wind south 25 knots.
Sunday
Wind southwest 25 knots diminishing to light
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 30 April 2025 Today Tonight and ThursdayIce Edge
Ice edge estimated from Quebec near 5013N 6207W to 4959N 6152W to4959N 6028W to 5053N 5806W to Newfoundland near 5029N 5728W. Sea ice
north then east of the ice edge.
Ice Coverage
Ice free.
Warnings
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait
Issued 10:00 AM ADT 30 April 2025'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 10:00 AM ADT 30 April 2025 Today Tonight and Thursday At 10:00 a.m. ADT today low 990 mb located over Anticosti Island.By 10:00 a.m. ADT Thursday low 995 mb located over northern
Newfoundland.
At 8:00 p.m. ADT Thursday approaching ridge located on a line
north-south over the western Marine District.
Marine Weather Statement
Issued 9:50 AM ADT 30 April 2025 A low pressure system over Anticosti Island will track east today tolie over Northern Newfoundland by Thursday afternoon. Strong to gale
force southwesterlies ahead of the low shift to strong to storm force
northwesterlies behind it. Winds will gradually diminish on Thursday
as high pressure builds in.
Marine interests are advised that storm warnings are in effect for
Gulf-Magdalen - northeastern half and Anticosti - southwestern half.
Gale warnings are in effect for Banquereau, Laurentian Fan -
northeastern half, Cabot Strait, Gulf-Magdalen - southwestern half,
Chaleur-Miscou, and Anticosti - northeastern half.
Atlantic - Maritimes Area
- Anticosti - northeastern half
- Anticosti - southwestern half
- Banquereau
- Bras d'Or Lakes
- Browns Bank
- Cabot Strait - northern half
- Cabot Strait - southern half
- 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
- Grand Manan
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Halifax Harbour and Approaches
- LaHave Bank
- Laurentian Fan - northeastern half
- Laurentian Fan - southwestern half
- 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 - eastern half
- Sable - western half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwestern Shore
- Southwest Coast
- South Coast
- Tadoussac to Pointe à Michel
- West Scotian Slope
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