HW-MN0804357 – Residency
9th sighting in South Africa
HW-MN0804357 @129050
Nov 2, 2025 – Jan 27, 2026 · South Africa
South Africa · Nov 2025 – Jan 2026
78 m
Deepest dive
2:45
Longest dive
63
Dives
- Sightings
- 5
- Days between first and last sighting
- 86
- Deepest dive on record
- 78 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 2, 2025 | 93 m | — | 78 m |
| Jan 12, 2026 | 38 m | 15.1°C | 35 m |
| Jan 17, 2026 | 85 m | 14.1°C | 44 m |
| Jan 26, 2026 | 84 m | 15.1°C | 72 m |
| Jan 27, 2026 | 99 m | 16.4°C | 65 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
78 m
Deepest dive
2:45
Longest dive
63
Dives
25 m
Avg dive depth
5
Sightings
86
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 (93 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Nov 2, 2025
measured- Seafloor depth
- 93 m
- Sea-surface temperature
- —
- Distance from shore
- 19.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 38 m – 99 m
- Sea-surface temperature
- 14.1°C – 16.4°C
- Distance from shore
- 7.0 km – 19.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.