HW-MN0805644 – Residency
8th sighting in South Africa
HW-MN0805644 @149391
Dec 4, 2025 – Jan 31, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
71 m
Deepest dive
2:48
Longest dive
71
Dives
- Sightings
- 8
- Days between first and last sighting
- 58
- Deepest dive on record
- 71 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 4, 2025 | 90 m | — | 71 m |
| Dec 4, 2025 | 47 m | — | 24 m |
| Dec 11, 2025 | 37 m | — | 27 m |
| Dec 11, 2025 | 60 m | — | 47 m |
| Dec 14, 2025 | 77 m | — | 50 m |
| Jan 7, 2026 | 92 m | 17.5°C | 68 m |
| Jan 28, 2026 | 79 m | 19.0°C | 48 m |
| Jan 31, 2026 | 19 m | 18.8°C | 14 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
71 m
Deepest dive
2:48
Longest dive
71
Dives
22 m
Avg dive depth
8
Sightings
58
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 (90 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 4, 2025
measured- Seafloor depth
- 90 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 19 m – 92 m
- Sea-surface temperature
- 17.5°C – 19.0°C
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.