HW-MN0804555 – Residency
7th sighting in South Africa
HW-MN0804555 @132257
Dec 29, 2025 – Feb 17, 2026 · South Africa
South Africa · Dec 2025 – Feb 2026
63 m
Deepest dive
2:40
Longest dive
50
Dives
- Sightings
- 5
- Days between first and last sighting
- 50
- Deepest dive on record
- 63 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 29, 2025 | 45 m | — | 29 m |
| Dec 30, 2025 | 38 m | — | 20 m |
| Dec 30, 2025 | 26 m | — | 22 m |
| Feb 16, 2026 | 21 m | 13.5°C | 19 m |
| Feb 17, 2026 | 70 m | 15.9°C | 63 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
63 m
Deepest dive
2:40
Longest dive
50
Dives
15 m
Avg dive depth
5
Sightings
50
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 (70 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 17, 2026
measured- Seafloor depth
- 70 m
- Sea-surface temperature
- 15.9°C
- Distance from shore
- 4.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 21 m – 70 m
- Sea-surface temperature
- 13.5°C – 15.9°C
- Distance from shore
- 2.0 km – 7.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.