HW-MN0805929 – Residency
7th sighting in South Africa
HW-MN0805929 @150849
Dec 29, 2025 – Jan 12, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
51 m
Deepest dive
2:19
Longest dive
55
Dives
- Sightings
- 7
- Days between first and last sighting
- 14
- Deepest dive on record
- 51 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 29, 2025 | 45 m | — | 27 m |
| Dec 30, 2025 | 62 m | — | 51 m |
| Dec 30, 2025 | 46 m | — | 38 m |
| Dec 31, 2025 | 45 m | — | 27 m |
| Jan 6, 2026 | 60 m | 14.8°C | 46 m |
| Jan 11, 2026 | 71 m | 15.2°C | 48 m |
| Jan 12, 2026 | 38 m | 15.1°C | 26 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
51 m
Deepest dive
2:19
Longest dive
55
Dives
19 m
Avg dive depth
7
Sightings
14
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 30, 2025
measured- Seafloor depth
- 62 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 38 m – 71 m
- Sea-surface temperature
- 14.8°C – 15.2°C
- Distance from shore
- 3.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.