HW-MN0804396 – Residency
11th sighting in South Africa
HW-MN0804396 @130147
Oct 25 – Dec 13, 2025 · South Africa
South Africa · Oct – Dec 2025
85 m
Deepest dive
3:00
Longest dive
45
Dives
- Sightings
- 6
- Days between first and last sighting
- 49
- Deepest dive on record
- 85 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) |
|---|---|---|---|
| Oct 25, 2025 | 55 m | — | 45 m |
| Oct 26, 2025 | 92 m | — | 52 m |
| Dec 10, 2025 | 48 m | — | 38 m |
| Dec 11, 2025 | 37 m | — | 34 m |
| Dec 11, 2025 | 53 m | — | 47 m |
| Dec 13, 2025 | 95 m | — | 85 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
85 m
Deepest dive
3:00
Longest dive
45
Dives
24 m
Avg dive depth
6
Sightings
49
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 (95 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 13, 2025
measured- Seafloor depth
- 95 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 37 m – 95 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.