HIHWNMS-2021-12-28_G05A01 – Residency
2nd sighting in Hawaiian Islands
HIHWNMS-2021-12-28_G05A01 @80308
Dec 5 – 31, 2025 · Hawaiian Islands
Hawaiian Islands · Dec 2025
58 m
Deepest dive
1:58
Longest dive
13
Dives
- Sightings
- 2
- Days between first and last sighting
- 26
- Deepest dive on record
- 58 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) |
|---|---|---|---|
| Dec 5, 2025 | 23 m | — | 21 m |
| Dec 31, 2025 | 72 m | 25.5°C | 58 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
58 m
Deepest dive
1:58
Longest dive
13
Dives
19 m
Avg dive depth
2
Sightings
26
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 (72 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 31, 2025
measured- Seafloor depth
- 72 m
- Sea-surface temperature
- 25.5°C
- Distance from shore
- 3.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 23 m – 72 m
- Sea-surface temperature
- 25.5°C
- Distance from shore
- 2.0 km – 3.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.