NW-C-4467-26
PAN PANShoal (10.6 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-4467-26
Date
2026-10-22 20:22 UTC
Status
Published
Title
Newly Discovered Dangers
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 39.687N 071 47.881W
46 39.688N 071 47.885W
46 39.690N 071 47.883W
46 39.689N 071 47.879W
Depth: 10.6 metres
In Force Shoals number Q5284/26 refers.
Position
Centroid : 46° 39.688'N 071° 47.882'W
Pt 1: 46° 39.687'N 071° 47.881'W
Pt 2: 46° 39.688'N 071° 47.885'W
Pt 3: 46° 39.690'N 071° 47.883'W
Pt 4: 46° 39.689'N 071° 47.879'W
Charts
1314(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceA shoal has been discovered and confirmed in the Trois-Rivières to Donnacona area with least depth 10.6 metres. Positions for the shoal are given as a small four‑point polygon and a centroid. Chart 1314 (NAD83) is referenced and shoal number Q5284/26 applies. Mariners should note the shoal on their charts and navigate with caution.
Navigate with caution, consult chart 1314 (NAD83) and note shoal Q5284/26; keep proper lookout and safe speed.
- 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, 20:22 UTC
Date 2026-10-22 20:22 UTC. In Force Shoals number Q5284/26 refers. - Hazards
- shoal, shallow depth 10.6 metres
- Least depth
- 10.6 m (35 ft)
- References
- Shoals number Q5284/26
- Charts
- 1314(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada26 NM from the area
- RCCRCC BostonUnited States261 NM from the area
- RCCJRCC TrentonCanada286 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM15 NM from the area
- DSCDSC Station QuebecJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM26 NM from the area
- DSCDSC Station LauzonJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM28 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM31 NM from the area
- DSCDSC Station MontmagnyJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM55 NM from the area
Worked out automatically from the warning text on 22 Oct 2026, 20:57 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER