HW-MN0800559 – Residency
7th sighting in South Africa
HW-MN0800559 @75311
Dec 29 – 31, 2025 · South Africa
South Africa · Dec 2025
59 m
Deepest dive
2:32
Longest dive
50
Dives
- Sightings
- 4
- Days between first and last sighting
- 2
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 | 31 m | — | 24 m |
| Dec 30, 2025 | 62 m | — | 53 m |
| Dec 30, 2025 | 26 m | — | 18 m |
| Dec 31, 2025 | 65 m | — | 59 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
59 m
Deepest dive
2:32
Longest dive
50
Dives
18 m
Avg dive depth
4
Sightings
2
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 (65 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 31, 2025
measured- Seafloor depth
- 65 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 26 m – 65 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.