HW-MN0805718 – Residency
2nd sighting in South Africa
HW-MN0805718 @150292
Dec 21, 2025 – Jan 2, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
74 m
Deepest dive
3:18
Longest dive
32
Dives
- Sightings
- 2
- Days between first and last sighting
- 12
- Deepest dive on record
- 74 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 21, 2025 | 84 m | — | 72 m |
| Jan 2, 2026 | 83 m | 15.8°C | 74 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
74 m
Deepest dive
3:18
Longest dive
32
Dives
31 m
Avg dive depth
2
Sightings
12
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 (83 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 2, 2026
measured- Seafloor depth
- 83 m
- Sea-surface temperature
- 15.8°C
- Distance from shore
- 9.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 83 m – 84 m
- Sea-surface temperature
- 15.8°C
- Distance from shore
- 7.0 km – 9.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.