OSUWTG-MnHI198 – Residency
4th sighting in Au'au Channel
OSUWTG-MnHI198 @35122
Feb 9 – 26, 2026 · Au'au Channel
Au'au Channel · Feb 2026
37 m
Deepest dive
1:45
Longest dive
14
Dives
- Sightings
- 2
- Days between first and last sighting
- 17
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 9, 2026 | 42 m | 24.9°C | 33 m |
| Feb 26, 2026 | 41 m | 24.5°C | 37 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
37 m
Deepest dive
1:45
Longest dive
14
Dives
19 m
Avg dive depth
2
Sightings
17
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 (41 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 26, 2026
measured- Seafloor depth
- 41 m
- Sea-surface temperature
- 24.5°C
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 41 m – 42 m
- Sea-surface temperature
- 24.5°C – 24.9°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.