HW-MN0804871 – Residency
10th sighting in South Africa
HW-MN0804871 @133561
Dec 21, 2025 – Jan 17, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
53 m
Deepest dive
2:21
Longest dive
46
Dives
- Sightings
- 4
- Days between first and last sighting
- 27
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 | 9 m | — | 8 m |
| Dec 30, 2025 | 62 m | — | 53 m |
| Jan 14, 2026 | 37 m | 15.7°C | 29 m |
| Jan 17, 2026 | 85 m | 14.1°C | 46 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
53 m
Deepest dive
2:21
Longest dive
46
Dives
15 m
Avg dive depth
4
Sightings
27
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 (62 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 30, 2025
measured- Seafloor depth
- 62 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 9 m – 85 m
- Sea-surface temperature
- 14.1°C – 15.7°C
- Distance from shore
- 7.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.