HW-MN0804938 – Residency
10th sighting in South Africa
HW-MN0804938 @134796
Nov 8, 2025 – Feb 17, 2026 · South Africa
South Africa · Nov 2025 – Feb 2026
56 m
Deepest dive
2:54
Longest dive
67
Dives
- Sightings
- 8
- Days between first and last sighting
- 101
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Nov 8, 2025 | 45 m | — | 33 m |
| Dec 29, 2025 | 61 m | — | 51 m |
| Jan 5, 2026 | 65 m | 14.8°C | 34 m |
| Jan 6, 2026 | 93 m | 15.2°C | 33 m |
| Jan 14, 2026 | 37 m | 15.7°C | 33 m |
| Feb 13, 2026 | 69 m | 16.2°C | 56 m |
| Feb 16, 2026 | 30 m | 13.5°C | 25 m |
| Feb 17, 2026 | 70 m | 15.9°C | 45 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
56 m
Deepest dive
2:54
Longest dive
67
Dives
18 m
Avg dive depth
8
Sightings
101
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 (69 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 13, 2026
measured- Seafloor depth
- 69 m
- Sea-surface temperature
- 16.2°C
- Distance from shore
- 2.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 30 m – 93 m
- Sea-surface temperature
- 13.5°C – 16.2°C
- Distance from shore
- 1.0 km – 9.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.