HW-MN0805979 – Residency
2nd sighting in South Africa
HW-MN0805979 @150959
Dec 30, 2025 – Jan 13, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
61 m
Deepest dive
3:04
Longest dive
27
Dives
- Sightings
- 2
- Days between first and last sighting
- 14
- Deepest dive on record
- 61 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 30, 2025 | 46 m | — | 33 m |
| Jan 13, 2026 | 69 m | 16.0°C | 61 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
3:04
Longest dive
27
Dives
22 m
Avg dive depth
2
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 (69 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 13, 2026
measured- Seafloor depth
- 69 m
- Sea-surface temperature
- 16.0°C
- Distance from shore
- 4.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 46 m – 69 m
- Sea-surface temperature
- 16.0°C
- Distance from shore
- 3.0 km – 4.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.