HW-MN0520182 – Residency
4th sighting in Au'au Channel
HW-MN0520182 @28420
Feb 17 – Mar 9, 2026 · Au'au Channel
Au'au Channel · Feb – Mar 2026
35 m
Deepest dive
1:37
Longest dive
14
Dives
- Sightings
- 3
- Days between first and last sighting
- 20
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 17, 2026 | 33 m | 24.7°C | 20 m |
| Feb 22, 2026 | 57 m | 24.6°C | 35 m |
| Mar 9, 2026 | 16 m | 24.4°C | 10 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
35 m
Deepest dive
1:37
Longest dive
14
Dives
16 m
Avg dive depth
3
Sightings
20
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 (57 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 22, 2026
measured- Seafloor depth
- 57 m
- Sea-surface temperature
- 24.6°C
- Distance from shore
- 4.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 16 m – 57 m
- Sea-surface temperature
- 24.4°C – 24.7°C
- Distance from shore
- 1.0 km – 4.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.