HW-MN0804604 – Residency
15th sighting in South Africa
HW-MN0804604 @132690
Dec 28 – 31, 2025 · South Africa
South Africa · Dec 2025
55 m
Deepest dive
2:39
Longest dive
89
Dives
- Sightings
- 5
- Days between first and last sighting
- 3
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 28, 2025 | 81 m | — | 44 m |
| Dec 29, 2025 | 61 m | — | 55 m |
| Dec 30, 2025 | 62 m | — | 53 m |
| Dec 30, 2025 | 26 m | — | 22 m |
| Dec 31, 2025 | 45 m | — | 34 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
55 m
Deepest dive
2:39
Longest dive
89
Dives
19 m
Avg dive depth
5
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 (61 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 29, 2025
measured- Seafloor depth
- 61 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 26 m – 81 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km – 10.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.