HW-MN0805930 – Residency
7th sighting in South Africa
HW-MN0805930 @150850
Dec 29, 2025 – Feb 7, 2026 · South Africa
South Africa · Dec 2025 – Feb 2026
66 m
Deepest dive
3:44
Longest dive
82
Dives
- Sightings
- 7
- Days between first and last sighting
- 40
- Deepest dive on record
- 66 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 29, 2025 | 45 m | — | 40 m |
| Dec 30, 2025 | 46 m | — | 39 m |
| Dec 31, 2025 | 45 m | — | 26 m |
| Jan 26, 2026 | 69 m | 14.3°C | 45 m |
| Jan 27, 2026 | 99 m | 16.4°C | 62 m |
| Feb 7, 2026 | 75 m | 16.8°C | 28 m |
| Feb 7, 2026 | 81 m | 16.8°C | 66 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
66 m
Deepest dive
3:44
Longest dive
82
Dives
19 m
Avg dive depth
7
Sightings
40
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 · Feb 7, 2026
measured- Seafloor depth
- 81 m
- Sea-surface temperature
- 16.8°C
- Distance from shore
- 4.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 45 m – 99 m
- Sea-surface temperature
- 14.3°C – 16.8°C
- Distance from shore
- 3.0 km – 11.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.