HW-MN0805813 – Residency
5th sighting in South Africa
HW-MN0805813 @150460
Dec 27, 2025 – Jan 11, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
51 m
Deepest dive
1:56
Longest dive
69
Dives
- Sightings
- 5
- Days between first and last sighting
- 15
- 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 27, 2025 | 59 m | — | 30 m |
| Dec 29, 2025 | 45 m | — | 23 m |
| Dec 30, 2025 | 62 m | — | 39 m |
| Dec 30, 2025 | 26 m | — | 23 m |
| Jan 11, 2026 | 71 m | 15.2°C | 51 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
1:56
Longest dive
69
Dives
15 m
Avg dive depth
5
Sightings
15
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 (71 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 11, 2026
measured- Seafloor depth
- 71 m
- Sea-surface temperature
- 15.2°C
- Distance from shore
- 5.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 26 m – 71 m
- Sea-surface temperature
- 15.2°C
- Distance from shore
- 3.0 km – 9.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.