NW-C-0292-26
Received: 4 Jul 2025, 00:00Updated: 2 Nov 2026, 01:50
analysis
ActiveShoal with 8.2 m depth between Trois-Rivières and Donnacona
A shoal has been confirmed in the channel between Trois-Rivières and Donnacona with least depth reported 8.2 m. The shoal is defined by four positions (centroid 46°37.169'N 071°57.194'W) and is in force as Shoals number Q5157/25. Mariners are advised to consult chart 1314 (NAD83) and navigate with caution in the area. No temporal limit is given.
Consult chart 1314 (NAD83) and navigate with caution in the marked area; keep a proper lookout and safe speed.
- Type
- Wreck / obstruction · severity moderate
- Feed
- Wrecks, obstructions and drifting objectsAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/hazards/
- Location
- Trois-Rivières to Donnacona
- Validity
- From 04 Jul 2025, 17:05 UTC
Shoal located in area bounded by: (positions). In Force Shoals number Q5157/25 refers. - Hazards
- shoal, shallow depth
- Least depth
- 8.2 m (27 ft)
- References
- Shoals number Q5157/25
- Charts
- 1314(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada33 NM from the area
- RCCRCC BostonUnited States259 NM from the area
- RCCJRCC TrentonCanada279 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM22 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM24 NM from the area
- DSCDSC Station QuebecJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM33 NM from the area
- DSCDSC Station LauzonJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM35 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM59 NM from the area
Generated automatically from the warning text on 28 Sept 2026, 19:37 UTC. It can be wrong: the original warning below is the authoritative text.
Keywords
- Geometry refsbounded, polygon
- Geometry phrasesarea bounded, bounded by
Message content
NW-C-0292-26
Date
2025-07-04 17:05 UTC
Status
Published
Title
Waterway Information
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 37.071N 71 57.397W
46 37.276N 71 57.002W
46 37.267N 71 56.992W
46 37.061N 71 57.386W
Depth: 8.2m
In Force Shoals number Q5157/25 refers.
Position
Centroid : 46° 37.169'N 071° 57.194'W
Pt 1: 46° 37.071'N 071° 57.397'W
Pt 2: 46° 37.276'N 071° 57.002'W
Pt 3: 46° 37.267'N 071° 56.992'W
Pt 4: 46° 37.061'N 071° 57.386'W
Charts
1314(NAD83)