Anticosti
Forecast
Marine Forecast
Issued 08:00 PM ADT 11 September 2026
Tonight and Saturday.
Strong wind warning in effect.
Wind westerly 30 knots with gusts to 40 in the Honguedo Strait. Wind diminishing to northwest 25 near midnight and to north 15 early Saturday morning. Wind diminishing to light near noon Saturday then increasing to southerly 15 to 20 early Saturday evening.
Waves
Issued 05:00 PM ADT 11 September 2026
Anticosti - northwestern half
Tonight and Saturday.
Seas 2 to 3 metres subsiding to 1 to 2 near midnight and to 1 or
less early Saturday morning.
Anticosti - southeastern half
Tonight and Saturday.
Seas 2 to 3 metres subsiding to 1 to 2 Saturday morning and to 1
or less Saturday evening.
Extended Forecast
Issued 03:30 PM ADT 11 September 2026
Sunday
Wind southwest 25 knots.
Monday
Wind south 25 knots increasing to northwest
30.
Tuesday
Wind northwest 20 knots diminishing to south
15.
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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.Iceberg Bulletin
Issued 2:30 PM EDT 11 September 2026Iceberg Limit
Iceberg limit at 0000 UTC 12 Sep estimated from Newfoundland near4930N 5510W to 5500N 5145W to 6000N 5730W to 6130N 5420W to 5850N
4610W then northeastward.
Iceberg Count
No confirmed icebergs.Warnings
Warnings (In effect)
Strong wind warning in effect
Anticosti
Issued 8:00 PM ADT 11 September 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 8:00 PM ADT 11 September 2026 Tonight and Saturday At 8:00 p.m. ADT tonight departing low 985 mb located overLabrador Sea.
At 8:00 p.m. ADT tonight building ridge located near the Great
Lakes.
By 8:00 p.m. ADT Saturday ridge located on a line north-south over
the Marine District.
Atlantic - Newfoundland Area
- Anticosti
- Banquereau
- Belle Isle Bank
- Bras d'Or Lakes
- Cabot Strait
- Chaleur - Miscou
- Eastern Shore - eastern half
- East Coast
- Fourchu
- Funk Island Bank
- Gulf - Magdalen - northwestern half
- Gulf - Magdalen - southeastern half
- Gulf - Port au Port
- Lake Melville
- Laurentian Fan
- Mid Labrador Coast - Hopedale and south
- Northeast Coast
- Northeast Gulf
- Northern Grand Banks
- Northumberland Strait - eastern half
- Northumberland Strait - western half
- Sable - eastern half
- Southeastern Grand Banks
- Southwestern Grand Banks
- Southwest Coast
- South Coast
- South Labrador Coast
- South Labrador Sea - southern half
- Strait of Belle Isle - eastern half
- Strait of Belle Isle - western half
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ATOM