HW-MN0300249 – Residency
4th sighting in Hawaiian Islands
HW-MN0300249 @20427
Mar 9 – 12, 2026 · Hawaiian Islands
Hawaiian Islands · Mar 2026
120 m
Deepest dive
6:16
Longest dive
60
Dives
- Sightings
- 4
- Days between first and last sighting
- 3
- Deepest dive on record
- 120 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) |
|---|---|---|---|
| Mar 9, 2026 | 7 m | 25.3°C | 6 m |
| Mar 9, 2026 | 71 m | 25.3°C | 51 m |
| Mar 10, 2026 | 421 m | 25.5°C | 120 m |
| Mar 12, 2026 | 113 m | 25.4°C | 38 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
120 m
Deepest dive
6:16
Longest dive
60
Dives
18 m
Avg dive depth
4
Sightings
3
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 (421 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 10, 2026
measured- Seafloor depth
- 421 m
- Sea-surface temperature
- 25.5°C
- Distance from shore
- 3.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 7 m – 421 m
- Sea-surface temperature
- 25.3°C – 25.5°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 4 catalogued encounters on Happywhale.