NW-C-4458-26
PAN PANShoal (10.6 m) discovered 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-4458-26
Date
2026-10-22 18:29 UTC
Status
Published
Title
Newly Discovered Dangers
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 39.269N 071 46.315W
46 39.269N 071 46.316W
46 39.271N 071 46.315W
46 39.270N 071 46.313W
Depth: 10.6 metres
In Force Shoals number Q5274/26 refers.
Position
Centroid : 46° 39.270'N 071° 46.315'W
Pt 1: 46° 39.269'N 071° 46.315'W
Pt 2: 46° 39.269'N 071° 46.316'W
Pt 3: 46° 39.271'N 071° 46.315'W
Pt 4: 46° 39.270'N 071° 46.313'W
Charts
1314(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceA newly discovered shoal has been confirmed in the area between Trois-Rivières and Donnacona. The shoal is bounded by four positions given in the notice and has a least depth of 10.6 metres. The hazard is in force and charted on chart 1314 (NAD83). Mariners should note Shoals number Q5274/26 refers.
Navigate with caution and avoid the shoal; consult chart 1314 (NAD83) and update passage plan.
- 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. In Force - Hazards
- shoal, shallow depth
- Least depth
- 10.6 m (35 ft)
- References
- Shoals number Q5274/26
- 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, 19:47 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER