Umi – Residency
7th sighting in Au'au Channel
Umi @99939
Apr 4 – 5, 2026 · Au'au Channel
Channel Still Calling
Spring's stretching long here and I'm in no rush to leave.
65 m
Deepest dive
3:04
Longest dive
65
Dives
- Sightings
- 5
- Days between first and last sighting
- 1
- Deepest dive on record
- 65 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Apr 4, 2026 | 1,139 m | 24.3°C | 25 m |
| Apr 4, 2026 | 73 m | 24.1°C | 65 m |
| Apr 5, 2026 | 57 m | 24.3°C | 43 m |
| Apr 5, 2026 | 49 m | 24.3°C | 43 m |
| Apr 5, 2026 | 42 m | 24.3°C | 27 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
65 m
Deepest dive
3:04
Longest dive
65
Dives
19 m
Avg dive depth
5
Sightings
1
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 (73 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Apr 4, 2026
measured- Seafloor depth
- 73 m
- Sea-surface temperature
- 24.1°C
- Distance from shore
- 6.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 42 m – 1,139 m
- Sea-surface temperature
- 24.1°C – 24.3°C
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.