Cabot Strait
Forecast
Marine Forecast
Issued 03:00 AM ADT 20 July 2025
Today Tonight and Monday.
Strong wind warning in effect.
Wind southwesterly 15 knots becoming variable 10 to 15 this afternoon then increasing to southwest 15 to 20 overnight. Wind diminishing to light Monday morning then increasing to northwest 15 Monday afternoon. Wind increasing to northwest 30 Monday evening.
Scattered showers tonight and Monday. Risk of thunderstorms Monday late in the day.
Waves
Issued 05:00 AM ADT 20 July 2025
Today Tonight and Monday.
Seas 1 metre.
Extended Forecast
Issued 03:00 AM ADT 20 July 2025
Tuesday
Wind northwest 30 knots diminishing to
northwest 20 in the afternoon.
Wednesday
Wind west 15 knots diminishing to
light.
Thursday
Wind light becoming southwest 15
knots.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 26 May 2025 Forecasts have ended for the season.Iceberg Bulletin
Issued 2:30 PM EDT 19 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 20 Jul estimated from Newfoundland near4709N 5256W to 4715N 4615W to 4920N 4400W to 5430N 4920W to 5645N
5340W to 5745N 5405W to 6100N 5310W to 5840N 4615W then eastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Cabot Strait
Issued 06:36 AM ADT 20 July 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 3:00 AM ADT 20 July 2025 Today Tonight and Monday At 3:00 a.m. ADT today trough located over southern Quebec.By 8:00 p.m. ADT tonight trough located from the Gulf of
St. Lawrence to the Gulf of Maine.
At 3:30 p.m. ADT Monday trough located on a line north-south over
the eastern Marine District.
At 3:00 a.m. ADT today ridge located over the southern Marine
District.
By 8:00 p.m. ADT tonight departing ridge located over the Grand
Banks.
Atlantic - Newfoundland Area
- Anticosti
- Banquereau - northern half
- Banquereau - southern half
- Belle Isle Bank - northern half
- Belle Isle Bank - southern half
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan - northern half
- Laurentian Fan - southern half
- Mid Labrador Coast
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait
- Sable
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea - southern half
- Strait of Belle Isle
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