HW-MN0805852 – Residency
5th sighting in South Africa
HW-MN0805852 @150530
Dec 28 – 30, 2025 · South Africa
South Africa · Dec 2025
49 m
Deepest dive
2:06
Longest dive
58
Dives
- Sightings
- 5
- Days between first and last sighting
- 2
- Deepest dive on record
- 49 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 28, 2025 | 81 m | — | 36 m |
| Dec 28, 2025 | 61 m | — | 42 m |
| Dec 29, 2025 | 61 m | — | 49 m |
| Dec 29, 2025 | 45 m | — | 41 m |
| Dec 30, 2025 | 46 m | — | 39 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
49 m
Deepest dive
2:06
Longest dive
58
Dives
20 m
Avg dive depth
5
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 (61 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 29, 2025
measured- Seafloor depth
- 61 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 45 m – 81 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km – 10.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.