HW-MN0805446 – Residency
4th sighting in South Africa
HW-MN0805446 @147058
Nov 8 – Dec 22, 2025 · South Africa
South Africa · Nov – Dec 2025
53 m
Deepest dive
3:01
Longest dive
64
Dives
- Sightings
- 4
- Days between first and last sighting
- 44
- Deepest dive on record
- 53 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) |
|---|---|---|---|
| Nov 8, 2025 | 89 m | — | 53 m |
| Nov 13, 2025 | 59 m | — | 50 m |
| Dec 11, 2025 | 37 m | — | 30 m |
| Dec 22, 2025 | 71 m | — | 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
53 m
Deepest dive
3:01
Longest dive
64
Dives
19 m
Avg dive depth
4
Sightings
44
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 (89 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Nov 8, 2025
measured- Seafloor depth
- 89 m
- Sea-surface temperature
- —
- Distance from shore
- 7.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 37 m – 89 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 7.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.