NIUE-NI220714-HM-Al – Residency
4th sighting in Tonga
NIUE-NI220714-HM-Al @90641
Sep 1 – 5, 2026 · Tonga
Tonga · Sep 2026
166 m
Deepest dive
7:44
Longest dive
30
Dives
- Sightings
- 3
- Days between first and last sighting
- 4
- Deepest dive on record
- 166 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 1, 2026 | 192 m | — | 166 m |
| Sep 5, 2026 | 143 m | 22.9°C | 56 m |
| Sep 5, 2026 | 99 m | 22.8°C | 72 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
166 m
Deepest dive
7:44
Longest dive
30
Dives
29 m
Avg dive depth
3
Sightings
4
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 (192 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 1, 2026
measured- Seafloor depth
- 192 m
- Sea-surface temperature
- —
- Distance from shore
- —
Across the residency · 3 sightings
measured- Seafloor depth
- 99 m – 192 m
- Sea-surface temperature
- 22.8°C – 22.9°C
- Distance from shore
- 1.0 km – 4.0 km
Sources: GEBCO seafloor grid
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.