HW-MN0805684 – Residency
5th sighting in South Africa
HW-MN0805684 @149796
Dec 11, 2025 – Feb 7, 2026 · South Africa
South Africa · Dec 2025 – Feb 2026
64 m
Deepest dive
2:32
Longest dive
43
Dives
- Sightings
- 5
- Days between first and last sighting
- 58
- Deepest dive on record
- 64 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 | — | 31 m |
| Dec 11, 2025 | 37 m | — | 33 m |
| Jan 2, 2026 | 83 m | 15.8°C | 64 m |
| Jan 2, 2026 | 98 m | 17.0°C | 36 m |
| Feb 7, 2026 | 81 m | 16.8°C | 31 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
64 m
Deepest dive
2:32
Longest dive
43
Dives
18 m
Avg dive depth
5
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 (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 · 5 sightings
measured- Seafloor depth
- 37 m – 98 m
- Sea-surface temperature
- 15.8°C – 17.0°C
- Distance from shore
- 2.0 km – 9.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.