HW-MN0442350 – Residency
10th sighting in Au'au Channel
HW-MN0442350 @40918
Feb 15 – Mar 18, 2026 · Au'au Channel
Au'au Channel · Feb – Mar 2026
55 m
Deepest dive
3:13
Longest dive
54
Dives
- Sightings
- 6
- Days between first and last sighting
- 31
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 15, 2026 | 199 m | 25.1°C | 53 m |
| Feb 19, 2026 | 41 m | 24.6°C | 22 m |
| Feb 19, 2026 | 42 m | 24.6°C | 33 m |
| Feb 20, 2026 | 199 m | 24.8°C | 55 m |
| Mar 4, 2026 | 43 m | 24.7°C | 32 m |
| Mar 18, 2026 | 59 m | 24.7°C | 43 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
55 m
Deepest dive
3:13
Longest dive
54
Dives
22 m
Avg dive depth
6
Sightings
31
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 · Feb 20, 2026
measured- Seafloor depth
- 199 m
- Sea-surface temperature
- 24.8°C
- Distance from shore
- 11.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 41 m – 199 m
- Sea-surface temperature
- 24.6°C – 25.1°C
- Distance from shore
- 2.0 km – 11.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.