HW-MN0805842 – Residency
3rd sighting in South Africa
HW-MN0805842 @150515
Dec 30, 2025 – Jan 5, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
45 m
Deepest dive
2:01
Longest dive
39
Dives
- Sightings
- 3
- Days between first and last sighting
- 6
- Deepest dive on record
- 45 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 30, 2025 | 89 m | — | 36 m |
| Jan 5, 2026 | 63 m | 14.8°C | 36 m |
| Jan 5, 2026 | 65 m | 14.8°C | 45 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
45 m
Deepest dive
2:01
Longest dive
39
Dives
19 m
Avg dive depth
3
Sightings
6
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 (65 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 5, 2026
measured- Seafloor depth
- 65 m
- Sea-surface temperature
- 14.8°C
- Distance from shore
- 6.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 63 m – 89 m
- Sea-surface temperature
- 14.8°C
- Distance from shore
- 6.0 km – 7.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.