Northumberland Strait
Forecast
Marine Forecast
Issued 03:00 AM ADT 12 July 2026
Today Tonight and Monday.
Strong wind warning in effect.
Wind northerly 10 to 15 knots diminishing to light this morning then becoming southerly 10 to 15 near midnight. Wind veering to southwest 15 Monday morning then increasing to southwest 20 near noon Monday.
Scattered showers Monday evening.
Extended Forecast
Issued 03:00 AM ADT 12 July 2026
Tuesday
Wind southwest 25 knots.
Wednesday
Wind westerly 15 to 20 knots.
Thursday
Wind westerly 15 to 20 knots.
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Weather Conditions
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Ice Conditions
Ice Forecasts
Issued 10:00 AM EDT 19 May 2026 Forecasts have ended for the season.Warnings
Warnings (In effect)
Strong wind warning in effect
Northumberland Strait
Issued 03:00 AM ADT 12 July 2026'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.
Synopsis
Technical Marine Synopsis
Issued 3:00 AM ADT 12 July 2026 Today Tonight and Monday At 3:00 a.m. ADT today ridge located from Quebec to the Great Lakes.By 3:00 a.m. ADT Monday ridge located on a line east-west over
the southern Marine District.
Atlantic - Newfoundland Area
- Anticosti
- Banquereau - northwestern half
- Banquereau - southeastern half
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou - eastern half
- Chaleur - Miscou - western half
- Eastern Shore
- East Coast - Cape St. Francis and south
- East Coast - north of Cape St. Francis
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northeastern half
- Gulf - Magdalen - southwestern half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan
- 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
- Strait of Belle Isle - eastern half
- Strait of Belle Isle - western half
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