NW-C-1881-26
Subsurface scientific moorings in Humber Bay, Lake Ontario - stay 100 m clear
No longer in forceReceived 25 May 2026, 00:00 UTCArchived 21 Oct 2026, 14:26 UTC
Warning text
Positions open on the mapNW-C-1881-26
Date
2026-05-25 22:32 UTC
Status
Published
Title
Scientific Instruments Change
Areas
Lake Ontario
Vicinity
Humber Bay
Categories
Scientific Moorings
Description
Subsurface scientific mooring temporarily established 5 metres from the lake bottom at 43 37.346N 079 26.901W.
Subsurface scientific moorings temporarily established 3 metres below the surface at 43 37.051N 079 27.541W and 43 37.497N 079 26.730W.
Stay clear 100 metres.
Position
43° 37.346'N 079° 26.901'W
43° 37.051'N 079° 27.541'W
43° 37.497'N 079° 26.730'W
Charts
2085(NAD83)
Location map
Open in the full mapAnalysis
No longer in forceSubsurface scientific moorings have been temporarily established in Humber Bay, Lake Ontario. One mooring is 5 metres from the lake bottom at 43°37.346'N 079°26.901'W; two moorings are 3 metres below the surface at 43°37.051'N 079°27.541'W and 43°37.497'N 079°26.730'W. Mariners are instructed to stay clear by 100 metres.
Stay clear of the moorings by 100 metres and navigate with caution in the area.
- Type
- Survey operations · severity moderate
- Feed
- Survey operationsAll warnings of this kind on the map, or as an API feed.
- Location
- Lake Ontario, Humber Bay
- Validity
- From 25 May 2026, 22:32 UTC
Subsurface scientific mooring temporarily established ... Stay clear 100 metres. (Date 2026-05-25 22:32 UTC) - Hazards
- subsurface scientific moorings
- Keep clear
- 0.054 NMStay clear 100 metres.
- Charts
- 2085(NAD83)
Coast stations for this area
- RCCJRCC TrentonCanada88 NM from the area
- RCCRCC BostonUnited States377 NM from the area
- RCCJRCC QuebecCanada397 NM from the area
- DSCDSC Station TrafalgarJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM14 NM from the area
- DSCDSC Station FonthillJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM35 NM from the area
- DSCDSC Station OrilliaJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM58 NM from the area
- DSCDSC Station CobourgJRCC TrentonCanadaMMSI 003160029VHF 40range 40 NM60 NM from the area
- DSCDSC Station MeafordJRCC TrentonCanadaMMSI 003160031VHF 40range 40 NM72 NM from the area
Worked out automatically from the warning text on 28 Sept 2026, 15:46 UTC. It can be wrong: the official warning text is the authority.