NIUE-NI1506 – Residency
3rd sighting in Tonga
NIUE-NI1506 @39484
Sep 11 – 25, 2026 · Tonga
Tonga · Sep 2026
11 m
Deepest dive
0:57
Longest dive
18
Dives
- Sightings
- 2
- Days between first and last sighting
- 14
- Deepest dive on record
- 11 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) |
|---|---|---|---|
| Sep 11, 2026 | 11 m | 25.3°C | 10 m |
| Sep 25, 2026 | 14 m | — | 11 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
11 m
Deepest dive
0:57
Longest dive
18
Dives
7 m
Avg dive depth
2
Sightings
14
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 (14 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 25, 2026
measured- Seafloor depth
- 14 m
- Sea-surface temperature
- —
- Distance from shore
- —
Across the residency · 2 sightings
measured- Seafloor depth
- 11 m – 14 m
- Sea-surface temperature
- 25.3°C
- Distance from shore
- 3.0 km
Sources: GEBCO seafloor grid
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.