HW-MN0804797 – Residency
11th sighting in South Africa
HW-MN0804797 @133030
Dec 9, 2025 – Jan 5, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
71 m
Deepest dive
2:26
Longest dive
84
Dives
- Sightings
- 6
- Days between first and last sighting
- 27
- Deepest dive on record
- 71 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 9, 2025 | 17 m | — | 15 m |
| Dec 11, 2025 | 37 m | — | 19 m |
| Dec 21, 2025 | 84 m | — | 59 m |
| Dec 31, 2025 | 86 m | 15.1°C | 71 m |
| Jan 2, 2026 | 97 m | 17.0°C | 34 m |
| Jan 5, 2026 | 82 m | 14.8°C | 59 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
71 m
Deepest dive
2:26
Longest dive
84
Dives
16 m
Avg dive depth
6
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 (86 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 31, 2025
measured- Seafloor depth
- 86 m
- Sea-surface temperature
- 15.1°C
- Distance from shore
- 6.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 17 m – 97 m
- Sea-surface temperature
- 14.8°C – 17.0°C
- Distance from shore
- 1.0 km – 10.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.