HW-MN0805670 – Residency
7th sighting in South Africa
HW-MN0805670 @149772
Dec 11, 2025 – Feb 7, 2026 · South Africa
South Africa · Dec 2025 – Feb 2026
73 m
Deepest dive
3:15
Longest dive
68
Dives
- Sightings
- 7
- Days between first and last sighting
- 58
- Deepest dive on record
- 73 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 11, 2025 | 37 m | — | 26 m |
| Dec 11, 2025 | 53 m | — | 30 m |
| Dec 14, 2025 | 78 m | — | 65 m |
| Dec 30, 2025 | 89 m | — | 63 m |
| Jan 17, 2026 | 58 m | 17.9°C | 52 m |
| Jan 18, 2026 | 73 m | 18.2°C | 24 m |
| Feb 7, 2026 | 81 m | 16.8°C | 73 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
73 m
Deepest dive
3:15
Longest dive
68
Dives
22 m
Avg dive depth
7
Sightings
58
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
- 37 m – 89 m
- Sea-surface temperature
- 16.8°C – 18.2°C
- Distance from shore
- 2.0 km – 7.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.