Search for NAVWARNs

Missing

Unlit

Off position

Bridge construction is ongoing on the Patullo Bridge at 49 12.500N 122 53.533W.

Hours of operation from 1400 to 1000 UTC daily.

Mariners are asked to avoid areas marked with flashing amber lights and to contact work vessels on channel 74 

sixty minutes prior to transiting for restrictions and current channel closures.

Vessels on site monitoring VHF channels 16, 64A, 69, 71 and 74.

Minimum wake.

Pipeline installation taking place daily until Nov 2025 during daylight hours south of RC Harris Water Treatment Plant. Barges and workboats on scene marked and lit at night. 

Dredging operations are underway at Tabusintac Gully, New Brunswick, during daylight hours, seven days a week. The dredging equipment (barge and excavator) will commence loading the dredged material into scows and will be disposed of at the ocean disposal site via the Youville Tug boat and two dump scows, 1.5 kilometers from the channel entrance.

Permanently relocated to 46 28’ 5.28N 64 39’ 23.04W.

All spar buoys in the Port Severn area between lock 45 and the 400 highway bridge unreliable due to strong water flows.

Partially submerged

Shallower depths located at

Latitude                Longitude               CD Depth (m)
45 57.042N           62 45.166W            1.4
45 57.144N           62 45.131W            0.2

All depths are referenced to CHS benchmark 2025P9001. Elevation +3.542m above chart datum.

Dredging Operations taking place from Monday to Friday during daylight hours beginning 22 Apr 2025 in the Cobourg Marina. Barge on site and monitoring channel 16. Equipment marked and lit.

ODAS buoy has been placed off Active Pass at 48 53.240N 123 18.423W until 0700 UTC May 1 2031

Installation of submarine date cable from Port Washington  to Ganges is now complete. 

Off station at 45 59.0N 081 55.6W

Dredging operations taking place daily between 1100 UTC and 2300 UTC from 22 Apr 2025 until 15 Jul 2025 at the Millerand fishing port at 47 12.96N 061 59.09W. Dredge and barges on site. 

Immersion site: 47 11.80N 061 58.60W

Minimum wake requested.

Bridge construction is ongoing on the Patullo Bridge at 49 12.500N 122 53.533W.

Hours of operation from 1300 to 1000 UTC daily.

Mariners are asked to avoid areas marked with flashing amber lights and to contact work vessels on channel 74 

sixty minutes prior to transiting for restrictions and current channel closures.

Vessels on site monitoring VHF channels 16, 64A, 69, 71 and 74.

Minimum wake.

An uncharted and unlit white steel mooring buoy is anchored on the edge of the channel in Woodward Reach at  49 07.023N 123 04.821W.

Construction and diving operations taking place daily from 21 Apr to 30 Oct 2025. Tugs and barges on site.

Anchoring in the Bagotville wharf and surrounding areas is prohibited with the exception of cruise ships.

Ice hut submerged at 44 11.34N 077 03.36W 30 centimetres below the water.

Missing

Unlit

Off position

Bridge construction is ongoing on the Patullo Bridge at 49 12.500N 122 53.533W.

Hours of operation from 1400 to 1000 UTC daily.

Mariners are asked to avoid areas marked with flashing amber lights and to contact work vessels on channel 74 

sixty minutes prior to transiting for restrictions and current channel closures.

Vessels on site monitoring VHF channels 16, 64A, 69, 71 and 74.

Minimum wake.

Pipeline installation taking place daily until Nov 2025 during daylight hours south of RC Harris Water Treatment Plant. Barges and workboats on scene marked and lit at night. 

Dredging operations are underway at Tabusintac Gully, New Brunswick, during daylight hours, seven days a week. The dredging equipment (barge and excavator) will commence loading the dredged material into scows and will be disposed of at the ocean disposal site via the Youville Tug boat and two dump scows, 1.5 kilometers from the channel entrance.

Permanently relocated to 46 28’ 5.28N 64 39’ 23.04W.

All spar buoys in the Port Severn area between lock 45 and the 400 highway bridge unreliable due to strong water flows.

Partially submerged

Shallower depths located at

Latitude                Longitude               CD Depth (m)
45 57.042N           62 45.166W            1.4
45 57.144N           62 45.131W            0.2

All depths are referenced to CHS benchmark 2025P9001. Elevation +3.542m above chart datum.

Dredging Operations taking place from Monday to Friday during daylight hours beginning 22 Apr 2025 in the Cobourg Marina. Barge on site and monitoring channel 16. Equipment marked and lit.

ODAS buoy has been placed off Active Pass at 48 53.240N 123 18.423W until 0700 UTC May 1 2031

Installation of submarine date cable from Port Washington  to Ganges is now complete. 

Off station at 45 59.0N 081 55.6W

Dredging operations taking place daily between 1100 UTC and 2300 UTC from 22 Apr 2025 until 15 Jul 2025 at the Millerand fishing port at 47 12.96N 061 59.09W. Dredge and barges on site. 

Immersion site: 47 11.80N 061 58.60W

Minimum wake requested.

Bridge construction is ongoing on the Patullo Bridge at 49 12.500N 122 53.533W.

Hours of operation from 1300 to 1000 UTC daily.

Mariners are asked to avoid areas marked with flashing amber lights and to contact work vessels on channel 74 

sixty minutes prior to transiting for restrictions and current channel closures.

Vessels on site monitoring VHF channels 16, 64A, 69, 71 and 74.

Minimum wake.

An uncharted and unlit white steel mooring buoy is anchored on the edge of the channel in Woodward Reach at  49 07.023N 123 04.821W.

Construction and diving operations taking place daily from 21 Apr to 30 Oct 2025. Tugs and barges on site.

Anchoring in the Bagotville wharf and surrounding areas is prohibited with the exception of cruise ships.

Ice hut submerged at 44 11.34N 077 03.36W 30 centimetres below the water.