HW-MN0805915 – Residency
6th sighting in South Africa
HW-MN0805915 @150800
Dec 29, 2025 – Jan 28, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
67 m
Deepest dive
2:52
Longest dive
81
Dives
- Sightings
- 6
- Days between first and last sighting
- 30
- Deepest dive on record
- 67 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 | — | 40 m |
| Dec 30, 2025 | 46 m | — | 31 m |
| Jan 5, 2026 | 63 m | 14.8°C | 42 m |
| Jan 5, 2026 | 82 m | 14.8°C | 56 m |
| Jan 22, 2026 | 79 m | 17.4°C | 67 m |
| Jan 28, 2026 | 42 m | 19.0°C | 37 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
67 m
Deepest dive
2:52
Longest dive
81
Dives
22 m
Avg dive depth
6
Sightings
30
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 (79 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 22, 2026
measured- Seafloor depth
- 79 m
- Sea-surface temperature
- 17.4°C
- Distance from shore
- 3.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 42 m – 82 m
- Sea-surface temperature
- 14.8°C – 19.0°C
- Distance from shore
- 3.0 km – 10.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.