HW-MN0440539 – Residency
1st sighting in Hawaiian Islands
HW-MN0440539 @14742
Jan 27 – Feb 21, 2026 · Hawaiian Islands
Hawaiian Islands · Jan – Feb 2026
81 m
Deepest dive
2:45
Longest dive
21
Dives
- Sightings
- 2
- Days between first and last sighting
- 25
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jan 27, 2026 | 104 m | 25.4°C | 62 m |
| Feb 21, 2026 | 265 m | 24.8°C | 81 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
81 m
Deepest dive
2:45
Longest dive
21
Dives
29 m
Avg dive depth
2
Sightings
25
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 (265 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 21, 2026
measured- Seafloor depth
- 265 m
- Sea-surface temperature
- 24.8°C
- Distance from shore
- 13.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 104 m – 265 m
- Sea-surface temperature
- 24.8°C – 25.4°C
- Distance from shore
- 5.0 km – 13.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.