HW-MN0804637 – Residency
12th sighting in South Africa
HW-MN0804637 @132774
Dec 4, 2025 – Jan 29, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
82 m
Deepest dive
3:08
Longest dive
120
Dives
- Sightings
- 8
- Days between first and last sighting
- 56
- 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 4, 2025 | 90 m | — | 82 m |
| Dec 7, 2025 | 48 m | — | 38 m |
| Dec 10, 2025 | 48 m | — | 43 m |
| Dec 11, 2025 | 37 m | — | 32 m |
| Dec 21, 2025 | 64 m | — | 30 m |
| Dec 27, 2025 | 62 m | — | 46 m |
| Dec 30, 2025 | 46 m | — | 40 m |
| Jan 29, 2026 | 62 m | 14.7°C | 51 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
3:08
Longest dive
120
Dives
20 m
Avg dive depth
8
Sightings
56
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 (90 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 4, 2025
measured- Seafloor depth
- 90 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 37 m – 90 m
- Sea-surface temperature
- 14.7°C
- Distance from shore
- 2.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.