HW-MN0805645 – Residency
4th sighting in South Africa
HW-MN0805645 @149410
Nov 27, 2025 – Feb 16, 2026 · South Africa
South Africa · Nov 2025 – Feb 2026
49 m
Deepest dive
2:16
Longest dive
30
Dives
- Sightings
- 4
- Days between first and last sighting
- 81
- 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) |
|---|---|---|---|
| Nov 27, 2025 | 28 m | — | 24 m |
| Jan 17, 2026 | 63 m | 17.9°C | 32 m |
| Feb 13, 2026 | 58 m | 13.9°C | 49 m |
| Feb 16, 2026 | 30 m | 13.5°C | 25 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
2:16
Longest dive
30
Dives
14 m
Avg dive depth
4
Sightings
81
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 (58 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 13, 2026
measured- Seafloor depth
- 58 m
- Sea-surface temperature
- 13.9°C
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 28 m – 63 m
- Sea-surface temperature
- 13.5°C – 17.9°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.