NW-M-0834-24
Shoal (sandbar) in Blacklands Gully channel, Northumberland Strait
Warning text
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Open in the full mapAnalysis
No longer in forceA hydrographic sounding survey completed May 2024 found a 430 m sandbar within the buoyed Blacklands Gully channel, with depths as shallow as 0.3 metres above chart datum. The approximate centre is at the reported position near buoys XX10 to XX11. Mariners are cautioned when transiting the channel and should consult updated charts.
Navigate with caution and avoid the shoal area; consult updated charts and local authorities for passage planning.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- Northumberland Strait, vicinity Blacklands Gully
- Validity
- From 03 Jun 2024, 20:02 UTC
Date 2024-06-03 20:02 UTC - Hazards
- shallow sandbar in buoyed channel, reduced under-keel clearance (0.3 m above chart datum)
- Least depth
- 0.3 m (1 ft)
- Charts
- 4906(NAD83)
Coast stations for this area
- RCCJRCC HalifaxCanada138 NM from the area
- RCCJRCC QuebecCanada261 NM from the area
- RCCRCC BostonUnited States375 NM from the area
- DSCDSC Station Point EscuminacJRCC HalifaxCanadaMMSI 003160017VHF 40range 40 NM18 NM from the area
- DSCDSC Station Cape EgmontJRCC HalifaxCanadaMMSI 003160017VHF 40range 40 NM37 NM from the area
- DSCDSC Station North CapeJRCC HalifaxCanadaMMSI 003160017VHF 40range 40 NM39 NM from the area
- DSCDSC Station Scotch MoutntainJRCC HalifaxCanadaMMSI 003160015VHF 40range 40 NM72 NM from the area
- DSCDSC Station NewportJRCC HalifaxCanadaMMSI 003160025VHF 40range 40 NM88 NM from the area
Aids to navigation affected
- Otherbuoys XX10 to XX11
No aids-to-navigation list in the database yet; aids are shown as the warning names them.
Worked out automatically from the warning text on 28 Sept 2026, 20:59 UTC. It can be wrong: the official warning text is the authority.