HW-MN0804574 – Residency
10th sighting in South Africa
HW-MN0804574 @132285
Dec 30, 2025 – Jan 2, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
66 m
Deepest dive
3:06
Longest dive
53
Dives
- Sightings
- 3
- Days between first and last sighting
- 3
- Deepest dive on record
- 66 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 | 62 m | — | 43 m |
| Dec 30, 2025 | 26 m | — | 22 m |
| Jan 2, 2026 | 84 m | 15.6°C | 66 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
66 m
Deepest dive
3:06
Longest dive
53
Dives
18 m
Avg dive depth
3
Sightings
3
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 (84 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 2, 2026
measured- Seafloor depth
- 84 m
- Sea-surface temperature
- 15.6°C
- Distance from shore
- 14.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 26 m – 84 m
- Sea-surface temperature
- 15.6°C
- Distance from shore
- 7.0 km – 14.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.