OSUWTG-MnHI126 – Residency
9th sighting in Au'au Channel
OSUWTG-MnHI126 @22025
Feb 18 – Apr 12, 2026 · Au'au Channel
Shallow Water, Long Company
Crowded channel, bright water, and somehow they always find me in it.
179 m
Deepest dive
6:26
Longest dive
36
Dives
- Sightings
- 4
- Days between first and last sighting
- 53
- Deepest dive on record
- 179 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 18, 2026 | 31 m | 24.4°C | 25 m |
| Mar 6, 2026 | 72 m | 24.9°C | 23 m |
| Mar 7, 2026 | 199 m | 24.9°C | 179 m |
| Apr 12, 2026 | 250 m | 24.1°C | 39 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
179 m
Deepest dive
6:26
Longest dive
36
Dives
24 m
Avg dive depth
4
Sightings
53
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (199 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 7, 2026
measured- Seafloor depth
- 199 m
- Sea-surface temperature
- 24.9°C
- Distance from shore
- 11.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 31 m – 250 m
- Sea-surface temperature
- 24.1°C – 24.9°C
- Distance from shore
- 3.0 km – 11.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.