Hurricane Henry – Residency
7th sighting in Au'au Channel
Hurricane Henry @5799
Feb 18 – Mar 2, 2026 · Au'au Channel
Au'au Channel · Feb – Mar 2026
52 m
Deepest dive
2:28
Longest dive
32
Dives
- Sightings
- 4
- Days between first and last sighting
- 12
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 18, 2026 | 23 m | 24.4°C | 20 m |
| Feb 18, 2026 | 168 m | 24.8°C | 52 m |
| Feb 28, 2026 | 22 m | 24.4°C | 20 m |
| Mar 2, 2026 | 42 m | 24.6°C | 29 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
52 m
Deepest dive
2:28
Longest dive
32
Dives
17 m
Avg dive depth
4
Sightings
12
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 (168 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 18, 2026
measured- Seafloor depth
- 168 m
- Sea-surface temperature
- 24.8°C
- Distance from shore
- 9.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 22 m – 168 m
- Sea-surface temperature
- 24.4°C – 24.8°C
- Distance from shore
- 2.0 km – 9.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.