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

HW-MN0440216 – Residency

11th sighting in Au'au Channel
Fluke of HW-MN0440216
HW-MN0440216 Confirmed in the catalog @13077
Feb 24 – 27, 2026 · Au'au Channel

Au'au Channel · Feb 2026

40 m
Deepest dive
1:56
Longest dive
30
Dives
Sightings
3
Days between first and last sighting
3

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 24, 202647 m24.5°C40 m
Feb 24, 202642 m24.5°C35 m
Feb 27, 202616 m24.3°C13 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
Feb 24, 2026 — seafloor 47 m (measured), deepest dive 40 m (modelled)Feb 24Feb 24, 2026 — seafloor 42 m (measured), deepest dive 35 m (modelled)Feb 24Feb 27, 2026 — seafloor 16 m (measured), deepest dive 13 m (modelled)Feb 27

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

Dives

40 m
Deepest dive
1:56
Longest dive
30
Dives
18 m
Avg dive depth
3
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255040 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (47 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.

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Place

Where this happened · Feb 24, 2026

measured
Seafloor depth
47 m
Sea-surface temperature
24.5°C
Distance from shore
3.0 km

Across the residency · 3 sightings

measured
Seafloor depth
16 m – 47 m
Sea-surface temperature
24.3°C – 24.5°C
Distance from shore
2.0 km – 3.0 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).

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