Anticosti
Forecast
Marine Forecast
Issued 03:30 PM ADT 18 July 2025
Tonight and Saturday.
Gale warning in effect.
Wind westerly 35 knots with gusts to 45 in the Honguedo Strait. Wind diminishing to west 25 late this evening and to westerly 15 to 20 early Saturday morning.
Waves
Issued 05:00 PM ADT 18 July 2025
Anticosti - eastern half
Tonight and Saturday.
Seas 2 to 3 metres building to 3 to 4 early this evening then
subsiding to 2 to 3 after midnight. Seas subsiding to 1 to 2 early Saturday
morning and to 1 or less Saturday afternoon.
Anticosti - western half
Tonight and Saturday.
Seas 3 to 4 metres subsiding to 2 to 3 near midnight and to 1 to
2 early Saturday morning. Seas subsiding to 1 or less Saturday
afternoon.
Extended Forecast
Issued 03:30 PM ADT 18 July 2025
Sunday
Wind southwesterly 10 to 15 knots.
Monday
Wind northwest 15 to 20 knots increasing to
northwest 20 to 25.
Tuesday
Wind northwest 20 to 25 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 18 July 2025Iceberg Limit
Iceberg limit at 0000 UTC 19 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)
Gale warning in effect
Anticosti
Issued 3:30 PM ADT 18 July 2025'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 3:30 PM ADT 18 July 2025 Tonight and Saturday At 3:30 p.m. ADT today low 990 mb located over Labrador.By 10:00 a.m. ADT Saturday departing low 983 mb located over
Labrador Sea.
At 8:00 p.m. ADT tonight ridge located west of the Marine District.
By 10:00 a.m. ADT Saturday ridge located over the southern Marine
District.
Marine Weather Statement
Issued 3:12 PM ADT 18 July 2025 A low pressure system over Labrador will continue to intensify as istracks northeastward tonight departing the region. Strong to gale
force westerlies over Gulf of St. Lawrence waters will diminish this
evening.
Marine interests are advised that gale warnings are in effect for
Chaleur - Miscou, Gulf - Magdalen and Anticosti.
Atlantic - Newfoundland Area
Another Region
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