NW-C-3735-26
PAN PANShoal of 11.1 m reported between Trois-Rivières and Donnacona
No longer in forceReceived 26 Aug 2026, 00:00 UTCArchived 27 Oct 2026, 17:13 UTC
Warning text
Positions open on the mapNW-C-3735-26
Date
2026-08-26 20:06 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-3392-26
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 24.554N 072 23.315W
46 24.551N 072 23.321W
46 24.559N 072 23.331W
46 24.563N 072 23.325W
Depth: 11.1 metres
In Force Shoals number Q5181/26 refers.
Position
Centroid : 46° 24.557'N 072° 23.323'W
Pt 1: 46° 24.554'N 072° 23.315'W
Pt 2: 46° 24.551'N 072° 23.321'W
Pt 3: 46° 24.559'N 072° 23.331'W
Pt 4: 46° 24.563'N 072° 23.325'W
Charts
1313(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceA newly discovered shoal is reported in the St. Lawrence River between Trois-Rivières and Donnacona. The shoal is defined by four bounding positions (centroid 46°24.557'N 072°23.323'W) with a least depth of 11.1 metres. Shoals number Q5181/26 refers. This message cancels NW-C-3392-26.
Navigate with caution and allow safe clearance from the shoal; update charts and passage plans accordingly.
- Type
- Wreck / obstruction · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map, or as an API feed.
- Location
- Trois-Rivières to Donnacona
- Validity
- From 26 Aug 2026, 20:06 UTC
Date 2026-08-26 20:06 UTC. In Force Shoals number Q5181/26 refers. - Hazards
- shoal, shallow depth
- Least depth
- 11.1 m (36 ft)
- Cancels
- NW-C-3392-26
- Charts
- 1313(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada54 NM from the area
- RCCRCC BostonUnited States250 NM from the area
- RCCJRCC TrentonCanada257 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM3 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM37 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM44 NM from the area
- DSCDSC Station QuebecJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM54 NM from the area
- DSCDSC Station LauzonJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM56 NM from the area
Worked out automatically from the warning text on 28 Sept 2026, 01:27 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER