HW-MN0804627 – Residency
11th sighting in South Africa
HW-MN0804627 @132714
Dec 7, 2025 – Jan 5, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
61 m
Deepest dive
2:35
Longest dive
97
Dives
- Sightings
- 7
- Days between first and last sighting
- 29
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 7, 2025 | 48 m | — | 21 m |
| Dec 10, 2025 | 48 m | — | 39 m |
| Dec 11, 2025 | 37 m | — | 32 m |
| Dec 18, 2025 | 79 m | — | 55 m |
| Jan 2, 2026 | 82 m | 15.6°C | 24 m |
| Jan 5, 2026 | 82 m | 14.8°C | 61 m |
| Jan 5, 2026 | 65 m | 14.8°C | 48 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
61 m
Deepest dive
2:35
Longest dive
97
Dives
19 m
Avg dive depth
7
Sightings
29
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 (82 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 5, 2026
measured- Seafloor depth
- 82 m
- Sea-surface temperature
- 14.8°C
- Distance from shore
- 10.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 37 m – 82 m
- Sea-surface temperature
- 14.8°C – 15.6°C
- Distance from shore
- 2.0 km – 12.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.