Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Au'au Channel

HW-MN0442724 – Residency

9th sighting in Au'au Channel
Fluke of HW-MN0442724
HW-MN0442724 Confirmed in the catalog @53974
Jan 18 – 24, 2026 · Au'au Channel

Au'au Channel · Jan 2026

64 m
Deepest dive
2:32
Longest dive
41
Dives
Sightings
3
Days between first and last sighting
6

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jan 18, 202664 m25.4°C52 m
Jan 18, 202670 m25.4°C64 m
Jan 24, 202633 m25.3°C30 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jan 18, 2026 — seafloor 64 m (measured), deepest dive 52 m (modelled)Jan 18Jan 18, 2026 — seafloor 70 m (measured), deepest dive 64 m (modelled)Jan 18Jan 24, 2026 — seafloor 33 m (measured), deepest dive 30 m (modelled)Jan 24

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

64 m
Deepest dive
2:32
Longest dive
41
Dives
23 m
Avg dive depth
3
Sightings
6
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010064 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (70 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Jan 18, 2026

measured
Seafloor depth
70 m
Sea-surface temperature
25.4°C
Distance from shore
4.0 km

Across the residency · 3 sightings

measured
Seafloor depth
33 m – 70 m
Sea-surface temperature
25.3°C – 25.4°C
Distance from shore
1.0 km – 4.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 3 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.