HW-MN0805830 – Residency
3rd sighting in South Africa
HW-MN0805830 @150477
Dec 28 – 30, 2025 · South Africa
South Africa · Dec 2025
68 m
Deepest dive
2:59
Longest dive
43
Dives
- Sightings
- 3
- Days between first and last sighting
- 2
- Deepest dive on record
- 68 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 28, 2025 | 81 m | — | 68 m |
| Dec 30, 2025 | 65 m | — | 51 m |
| Dec 30, 2025 | 26 m | — | 19 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
68 m
Deepest dive
2:59
Longest dive
43
Dives
19 m
Avg dive depth
3
Sightings
2
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 (81 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 28, 2025
measured- Seafloor depth
- 81 m
- Sea-surface temperature
- —
- Distance from shore
- 10.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 26 m – 81 m
- Sea-surface temperature
- —
- Distance from shore
- 7.0 km – 10.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.