Search for NAVWARNs

Shallower depths located at the Morterm dock. Maximum allowable draft 6.3 metres. 

Seismic surveys taking place up to 500 metres east of the multi-user dock, sections 35 and 36. Divers, small boats and barges on site.

Stay clear 200 metres.

Sail boat at anchor and unlit reported in the vicinity of 45 15.45N 074 09.13W

Ice boom installation in progress between Prescott and Cardinal. 

Permanently relocated to 47 00.160N 055 09.935W

Exclusion zone in effect 24 hours a day from 06 Dec 2025 to 09 Dec 2025 in the Port of Montreal waters surrounding wharfs 56 south and north and 57 south and north.

With the exception of boats and barges used for dredging, the area is closed to all, including tugboats, for 15 minutes following the depositing of dredged sediments. Boom present.

Mariners are requested to contact Quebec traffic.

Dredging operations taking place 24 hours a day from 06 Dec 2025 to 09 Dec 2025 in the Port of Montreal.

Unlit

An unlit dock reported adrift in Wright Sound Northwest of Point Cumming in the vicinity of 53 19.253N 129 10.161W at 050100 UTC Dec 2025. Approximately 8 ft x 12 ft. 

Pilotage operations for the Strait of Canso suspended due to weather conditions.

Fog signal unreliable

Off position in 43 27.800N 065 40.400W

Missing

The Barra Strait bridge at 45 57.583N 060 47.941W is unable to lift due to mechanical failure.

Unreliable

Sunken 40 foot fishing vessel in 45 04.296N 067 03.260W. Inner wharf is restricted. Vessels should use outer side of wharf.

Caution

Hydrophone deployed in 44 38.169N 063 33.650W at a depth of 18 meters.

Caution

An order of transit roster for the St. Lawrence Seaway is being maintained by the Quebec Marine Communications and Traffic Services Centre. Vessels shall establish their turn by calling Quebec Traffic on VHF channel 10 when they are in all respects ready for transit.

Permanently discontinued

Permanently discontinued

Shallower depths located at the Morterm dock. Maximum allowable draft 6.3 metres. 

Seismic surveys taking place up to 500 metres east of the multi-user dock, sections 35 and 36. Divers, small boats and barges on site.

Stay clear 200 metres.

Sail boat at anchor and unlit reported in the vicinity of 45 15.45N 074 09.13W

Ice boom installation in progress between Prescott and Cardinal. 

Permanently relocated to 47 00.160N 055 09.935W

Exclusion zone in effect 24 hours a day from 06 Dec 2025 to 09 Dec 2025 in the Port of Montreal waters surrounding wharfs 56 south and north and 57 south and north.

With the exception of boats and barges used for dredging, the area is closed to all, including tugboats, for 15 minutes following the depositing of dredged sediments. Boom present.

Mariners are requested to contact Quebec traffic.

Dredging operations taking place 24 hours a day from 06 Dec 2025 to 09 Dec 2025 in the Port of Montreal.

Unlit

An unlit dock reported adrift in Wright Sound Northwest of Point Cumming in the vicinity of 53 19.253N 129 10.161W at 050100 UTC Dec 2025. Approximately 8 ft x 12 ft. 

Pilotage operations for the Strait of Canso suspended due to weather conditions.

Fog signal unreliable

Off position in 43 27.800N 065 40.400W

Missing

The Barra Strait bridge at 45 57.583N 060 47.941W is unable to lift due to mechanical failure.

Unreliable

Sunken 40 foot fishing vessel in 45 04.296N 067 03.260W. Inner wharf is restricted. Vessels should use outer side of wharf.

Caution

Hydrophone deployed in 44 38.169N 063 33.650W at a depth of 18 meters.

Caution

An order of transit roster for the St. Lawrence Seaway is being maintained by the Quebec Marine Communications and Traffic Services Centre. Vessels shall establish their turn by calling Quebec Traffic on VHF channel 10 when they are in all respects ready for transit.

Permanently discontinued

Permanently discontinued