HW-MN0804146 – Residency
17th sighting in South Africa
HW-MN0804146 @126380
Dec 16, 2025 – Jan 30, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
55 m
Deepest dive
2:42
Longest dive
137
Dives
- Sightings
- 9
- Days between first and last sighting
- 45
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 16, 2025 | 59 m | — | 47 m |
| Dec 27, 2025 | 62 m | — | 55 m |
| Dec 29, 2025 | 45 m | — | 16 m |
| Dec 29, 2025 | 45 m | — | 39 m |
| Dec 30, 2025 | 46 m | — | 42 m |
| Dec 30, 2025 | 62 m | — | 51 m |
| Jan 14, 2026 | 37 m | 15.7°C | 30 m |
| Jan 29, 2026 | 64 m | 14.7°C | 53 m |
| Jan 30, 2026 | 34 m | 14.6°C | 25 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
2:42
Longest dive
137
Dives
17 m
Avg dive depth
9
Sightings
45
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 (62 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 27, 2025
measured- Seafloor depth
- 62 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 34 m – 64 m
- Sea-surface temperature
- 14.6°C – 15.7°C
- Distance from shore
- 3.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.