HW-MN0805442 – Residency
5th sighting in South Africa
HW-MN0805442 @147054
Nov 8, 2025 – Jan 30, 2026 · South Africa
South Africa · Nov 2025 – Jan 2026
51 m
Deepest dive
2:11
Longest dive
71
Dives
- Sightings
- 5
- Days between first and last sighting
- 83
- 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) |
|---|---|---|---|
| Nov 8, 2025 | 45 m | — | 34 m |
| Dec 27, 2025 | 62 m | — | 37 m |
| Dec 30, 2025 | 46 m | — | 40 m |
| Jan 26, 2026 | 58 m | 14.3°C | 51 m |
| Jan 30, 2026 | 34 m | 14.6°C | 29 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
2:11
Longest dive
71
Dives
16 m
Avg dive depth
5
Sightings
83
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 (58 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 26, 2026
measured- Seafloor depth
- 58 m
- Sea-surface temperature
- 14.3°C
- Distance from shore
- 6.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 34 m – 62 m
- Sea-surface temperature
- 14.3°C – 14.6°C
- Distance from shore
- 3.0 km – 8.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.