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NW-C-3733-26

PAN PAN

Newly discovered shoal (11.0 m) between Trois-Rivières and Donnacona

No longer in forceReceived 26 Aug 2026, 00:00 UTCArchived 27 Oct 2026, 17:13 UTC

Warning text

Positions open on the map
NW-C-3733-26 Date 2026-08-26 20:03 UTC Status Published Title Newly Discovered Dangers Areas Trois-Rivières to Donnacona Categories Shallow Depth Confirmed Description Shoal located in area bounded by: 46 24.667N 072 23.168W 46 24.664N 072 23.174W 46 24.668N 072 23.179W 46 24.671N 072 23.173W Depth: 11.0 metres In Force Shoals number Q5182/26 refers. Position Centroid : 46° 24.668'N 072° 23.174'W Pt 1: 46° 24.667'N 072° 23.168'W Pt 2: 46° 24.664'N 072° 23.174'W Pt 3: 46° 24.668'N 072° 23.179'W Pt 4: 46° 24.671'N 072° 23.173'W Charts 1313(NAD83)

Analysis

No longer in force

A shoal has been confirmed between Trois-Rivières and Donnacona. The shoal polygon is listed by four positions with a centroid at 46°24.668'N 072°23.174'W and least depth 11.0 metres. Mariners should note chart 1313 (NAD83) has been affected.

Navigate with caution, consult updated charts and use soundings to avoid the shoal.

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 26 Aug 2026, 20:03 UTC
Date 2026-08-26 20:03 UTC
Hazards
shoal, shallow depth
Least depth
11 m (36 ft)

Coast stations for this area

Worked out automatically from the warning text on 28 Sept 2026, 01:28 UTC. It can be wrong: the official warning text is the authority.

KeywordsDANGER

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