NW-C-4456-26
PAN PANShoal (10.5 m) reported between Trois-Rivières and Donnacona
No longer in forceReceived 22 Oct 2026, 00:00 UTCArchived 28 Oct 2026, 14:49 UTC
Warning text
Positions open on the mapNW-C-4456-26
Date
2026-10-22 18:29 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-3742-26
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 39.189N 071 46.428W
46 39.192N 071 46.437W
46 39.199N 071 46.432W
46 39.196N 071 46.423W
Depth: 10.5 metres
In Force Shoals number Q5276/26 refers.
Position
Centroid : 46° 39.194'N 071° 46.430'W
Pt 1: 46° 39.189'N 071° 46.428'W
Pt 2: 46° 39.192'N 071° 46.437'W
Pt 3: 46° 39.199'N 071° 46.432'W
Pt 4: 46° 39.196'N 071° 46.423'W
Charts
1314(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceA shoal with least depth 10.5 metres has been confirmed in the area between Trois-Rivières and Donnacona. The feature is bounded by four positions with centroid 46°39.194'N 071°46.430'W. Mariners are advised this is a newly discovered danger and that Shoals number Q5276/26 refers. Chart 1314 (NAD83) is affected.
Navigate with caution, note the position on charts and avoid the shoal area; update charts and publications as appropriate.
- 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 22 Oct 2026, 18:29 UTC
Date 2026-10-22 18:29 UTC - Hazards
- shoal, shallow depth 10.5 m
- Least depth
- 10.5 m (34 ft)
- Cancels
- NW-C-3742-26
- Charts
- 1314(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada25 NM from the area
- RCCRCC BostonUnited States260 NM from the area
- RCCJRCC TrentonCanada287 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM15 NM from the area
- DSCDSC Station QuebecJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM25 NM from the area
- DSCDSC Station LauzonJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM27 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM32 NM from the area
- DSCDSC Station MontmagnyJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM54 NM from the area
Worked out automatically from the warning text on 22 Oct 2026, 19:48 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER