HW-MN0805935 – Residency
4th sighting in South Africa
HW-MN0805935 @150855
Dec 29, 2025 – Jan 6, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
82 m
Deepest dive
4:09
Longest dive
59
Dives
- Sightings
- 4
- Days between first and last sighting
- 8
- Deepest dive on record
- 82 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 | — | 39 m |
| Jan 5, 2026 | 82 m | 14.8°C | 55 m |
| Jan 5, 2026 | 65 m | 14.8°C | 54 m |
| Jan 6, 2026 | 93 m | 15.2°C | 82 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
82 m
Deepest dive
4:09
Longest dive
59
Dives
22 m
Avg dive depth
4
Sightings
8
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 (93 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 6, 2026
measured- Seafloor depth
- 93 m
- Sea-surface temperature
- 15.2°C
- Distance from shore
- 9.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 45 m – 93 m
- Sea-surface temperature
- 14.8°C – 15.2°C
- Distance from shore
- 3.0 km – 10.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.