NW-C-2668-26
Received: 29 Jun 2026, 00:00Updated: 2 Nov 2026, 01:50
analysis
ActiveGreen spar buoy AN5 missing at Rivière Châteauguay entrance, Lake Saint-Louis
The green spar buoy AN5 at the entrance to Rivière Châteauguay (east Lake Saint-Louis) is reported missing. Position given as 45° 24.053'N 073° 45.118'W. Mariners transiting the area should be aware that the aid is not in place and navigate with caution.
Navigate with caution in the vicinity, maintain proper look-out and passage planning as the reported buoy is not in position.
- Type
- Aids to navigation · severity low
- Feed
- Aids to navigationAll warnings of this kind on the map (contributors), or as an API feed: /api/v2/feeds/aton/
- Location
- Lake Saint-Louis - east, Rivière Chateauguay entrance (vicinity Châteauguay)
- Validity
- From 29 Jun 2026, 14:42 UTC
Date 2026-06-29 14:42 UTC - Hazards
- aids to navigation missing, buoy missing
- Charts
- 1430(NAD83)
Coast stations for this area
- RCCJRCC QuebecCanada135 NM from the area
- RCCJRCC TrentonCanada179 NM from the area
- RCCRCC BostonUnited States217 NM from the area
- DSCDSC Station MontrealJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM11 NM from the area
- DSCDSC Station L’AcadieJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM19 NM from the area
- DSCDSC Station Mont-St. BrunoJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM20 NM from the area
- DSCDSC Station Mont RigaudJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM23 NM from the area
- DSCDSC Station SorelJRCC QuebecCanadaMMSI 003160028VHF 40range 40 NM47 NM from the area
Aids to navigation affected
- MissingRivière Chateauguay entrance green spar buoy AN5 · AN5 · 45° 24.053'N 073° 45.118'W
No aids-to-navigation list in the database yet; aids are shown as the warning names them.
Generated automatically from the warning text on 28 Sept 2026, 05:48 UTC. It can be wrong: the original warning below is the authoritative text.
Message content
NW-C-2668-26
Date
2026-06-29 14:42 UTC
Status
Published
Title
Aids to Navigation
Areas
Lake Saint-Louis - east
Vicinity
Châteauguay
Categories
Buoys
Aids
Rivière Chateauguay entrance green spar buoy AN5
Description
Missing
Position
45° 24.053'N 073° 45.118'W
Charts
1430(NAD83)