NW-C-4455-26
PAN PANNewly discovered shoal between Trois-Rivières and Donnacona (10.1 m)
No longer in forceReceived 22 Oct 2026, 00:00 UTCArchived 28 Oct 2026, 14:49 UTC
Warning text
Positions open on the mapNW-C-4455-26
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 39.260N 071 46.399W
46 39.268N 071 46.422W
46 39.285N 071 46.410W
46 39.277N 071 46.387W
Depth: 10.1 metres
In Force Shoals number Q5277/26 refers.
Position
Centroid : 46° 39.273'N 071° 46.404'W
Pt 1: 46° 39.260'N 071° 46.399'W
Pt 2: 46° 39.268'N 071° 46.422'W
Pt 3: 46° 39.285'N 071° 46.410'W
Pt 4: 46° 39.277'N 071° 46.387'W
Charts
1314(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceA shoal has been confirmed between Trois-Rivières and Donnacona bounded by four reported positions. Least depth over the shoal is 10.1 metres. The feature is in force and referenced to Shoals number Q5277/26. Chart 1314 (NAD83) is affected.
Navigate with caution, note the new shoal on charts and avoid the area if your vessel's safe underkeel clearance is insufficient.
- 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 10.1 m
- Least depth
- 10.1 m (33 ft)
- References
- Shoals number Q5277/26
- 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, 19:37 UTC. It can be wrong: the official warning text is the authority.
KeywordsDANGER