HW-MN0804377 – Residency
19th sighting in South Africa
HW-MN0804377 @130029
Nov 27, 2025 – Feb 17, 2026 · South Africa
South Africa · Nov 2025 – Feb 2026
56 m
Deepest dive
2:15
Longest dive
104
Dives
- Sightings
- 9
- Days between first and last sighting
- 82
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 | 29 m | — | 21 m |
| Dec 4, 2025 | 72 m | — | 34 m |
| Dec 28, 2025 | 81 m | — | 48 m |
| Dec 29, 2025 | 61 m | — | 45 m |
| Dec 29, 2025 | 45 m | — | 37 m |
| Dec 30, 2025 | 43 m | — | 37 m |
| Dec 30, 2025 | 46 m | — | 28 m |
| Jan 6, 2026 | 60 m | 14.8°C | 54 m |
| Feb 17, 2026 | 70 m | 15.9°C | 56 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
2:15
Longest dive
104
Dives
18 m
Avg dive depth
9
Sightings
82
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 · 9 sightings
measured- Seafloor depth
- 29 m – 81 m
- Sea-surface temperature
- 14.8°C – 15.9°C
- Distance from shore
- 3.0 km – 10.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.