CRC-18174 – Residency
6th sighting in Au'au ChannelCRC-18174 @27035
Mar 26 – Apr 12, 2026 · Au'au Channel
Late Spring, Same Old Channel Love
Lingering in Au'au longer than most calendars care to admit.
36 m
Deepest dive
2:02
Longest dive
65
Dives
- Sightings
- 3
- 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) |
|---|---|---|---|
| Mar 26, 2026 | 40 m | 24.4°C | 34 m |
| Apr 7, 2026 | 50 m | 24.5°C | 36 m |
| Apr 12, 2026 | 33 m | 24.9°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
36 m
Deepest dive
2:02
Longest dive
65
Dives
16 m
Avg dive depth
3
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 (50 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Apr 7, 2026
measured- Seafloor depth
- 50 m
- Sea-surface temperature
- 24.5°C
- Distance from shore
- 2.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 33 m – 50 m
- Sea-surface temperature
- 24.4°C – 24.9°C
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.