NW-C-2408-26
PAN PANReceived: 17 Jun 2026, 00:00Updated: 2 Nov 2026, 01:50
analysis
ActiveShoal (10.1 m) reported between Montréal and Trois-Rivières
A shoal with least depth 10.1 metres has been confirmed in the St. Lawrence River between Montréal and Trois-Rivières. The feature is bounded by four positions with centroid 46°15.890'N 072°42.087'W. Charts 1312 and 1313 (NAD83) are affected. This notice cancels NW-C-1119-26.
Navigate with caution, consult charts 1312 and 1313 (NAD83) and plot the shoal positions to avoid the area.
- 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
- Montréal to Trois-Rivières
- Validity
- From 17 Jun 2026, 17:06 UTC
Date 2026-06-17 17:06 UTC (no end time given) - Hazards
- shoal, shallow depth
- Least depth
- 10.1 m (33 ft)
- Cancels
- NW-C-1119-26
- Charts
- 1312(NAD83), 1313(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada70 NM from the area
- RCCJRCC TrentonCanada242 NM from the area
- RCCRCC BostonUnited States246 NM from the area
- DSCDSC Station Trois-RivieresJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM13 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM22 NM from the area
- DSCDSC Station Mont-St. BrunoJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM50 NM from the area
- DSCDSC Station MontrealJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM57 NM from the area
- DSCDSC Station Mont BelairJRCC QuebecCanadaMMSI 003160027VHF 40range 40 NM60 NM from the area
Generated automatically from the warning text on 28 Sept 2026, 06:42 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-2408-26
Date
2026-06-17 17:06 UTC
Status
Published
Title
Newly Discovered Dangers
Cancels
NW-C-1119-26
Areas
Montréal to Trois-Rivières
Categories
Shallow Depth Confirmed
Description
Shoal located in area bounded by:
46 15.871N 072 42.169W
46 15.920N 072 42.012W
46 15.909N 072 42.005W
46 15.859N 072 42.161W
Depth: 10.1 metres
In Force Shoals number Q5126/26 refers.
Position
Centroid : 46° 15.890'N 072° 42.087'W
Pt 1: 46° 15.871'N 072° 42.169'W
Pt 2: 46° 15.920'N 072° 42.012'W
Pt 3: 46° 15.909'N 072° 42.005'W
Pt 4: 46° 15.859'N 072° 42.161'W
Charts
1312(NAD83),
1313(NAD83)