OSUWTG-MnHI251 – Residency
6th sighting in Au'au Channel
OSUWTG-MnHI251 @35151
Mar 22 – 26, 2026 · Au'au Channel
Channel Company, Early Spring
Shallow water, good company, sand shelf right where I left it.
48 m
Deepest dive
2:50
Longest dive
34
Dives
- Sightings
- 4
- Days between first and last sighting
- 4
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 22, 2026 | 70 m | 24.7°C | 48 m |
| Mar 26, 2026 | 42 m | 24.4°C | 37 m |
| Mar 26, 2026 | 67 m | 24.4°C | 42 m |
| Mar 26, 2026 | 51 m | 24.4°C | 28 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
48 m
Deepest dive
2:50
Longest dive
34
Dives
19 m
Avg dive depth
4
Sightings
4
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 (70 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 22, 2026
measured- Seafloor depth
- 70 m
- Sea-surface temperature
- 24.7°C
- Distance from shore
- 5.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 42 m – 70 m
- Sea-surface temperature
- 24.4°C – 24.7°C
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.