NW-C-4580-26
PAN PANReceived: 29 Oct 2026, 00:00Updated: 1 Nov 2026, 12:53
analysis
ActiveNewly discovered shoal between Trois-Rivières and Donnacona
A shoal has been confirmed in the area between Trois-Rivières and Donnacona. Four positions bounding the shoal are given and a least depth of 10.6 metres is reported. Shoals number Q5296/26 refers. Chart 1314(NAD83) is affected.
Navigate with caution, consult chart 1314(NAD83) and update passage plans to avoid the shoal. Exercise caution in vicinity and report any navigational dangers to the local authorities.
- 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 29 Oct 2026, 20:26 UTC
Shoal located in area bounded by: 46 39.668N 071 47.834W 46 39.669N 071 47.836W 46 39.670N 071 47.835W 46 39.669N 071 47.833W Depth: 10.6 metres In Force Shoals number Q5296/26 refers. - Hazards
- shoal (least depth 10.6 m)
- Least depth
- 10.6 m (35 ft)
- References
- Q5296/26
- 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
Generated automatically from the warning text on 29 Oct 2026, 21:27 UTC. It can be wrong: the original warning below is the authoritative text.
Keywords
- Geometry refsbounded, polygon
- Dangerous AreaDANGER
- Geometry phrasesarea bounded, bounded by
Message content
NW-C-4580-26
Date
2026-10-29 20:26 UTC
Status
Published
Title
Newly Discovered Dangers
Areas
Trois-Rivières to Donnacona
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 39.668N 071 47.834W
46 39.669N 071 47.836W
46 39.670N 071 47.835W
46 39.669N 071 47.833W
Depth: 10.6 metres
In Force Shoals number Q5296/26 refers.
Position
Centroid :
Pt 1:
Pt 2:
Pt 3:
Pt 4:
Charts
1314(NAD83)