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Au'au Channel

HW-MN0440571 – Residency

16th sighting in Au'au Channel
Fluke of HW-MN0440571
HW-MN0440571 Confirmed in the catalog @14721
Jan 3 – Mar 18, 2026 · Au'au Channel

Au'au Channel · Jan – Mar 2026

55 m
Deepest dive
2:07
Longest dive
95
Dives
Sightings
9
Days between first and last sighting
74

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 3, 202670 m25.4°C46 m
Jan 6, 202672 m25.4°C36 m
Jan 10, 202671 m25.6°C55 m
Feb 6, 202663 m25.5°C55 m
Feb 27, 202629 m24.3°C27 m
Feb 28, 202664 m24.6°C29 m
Mar 9, 202633 m24.7°C30 m
Mar 9, 202643 m24.7°C30 m
Mar 18, 202676 m24.9°C51 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 3, 2026 — seafloor 70 m (measured), deepest dive 46 m (modelled)Jan 3Jan 6, 2026 — seafloor 72 m (measured), deepest dive 36 m (modelled)Jan 6Jan 10, 2026 — seafloor 71 m (measured), deepest dive 55 m (modelled)Jan 10Feb 6, 2026 — seafloor 63 m (measured), deepest dive 55 m (modelled)Feb 6Feb 27, 2026 — seafloor 29 m (measured), deepest dive 27 m (modelled)Feb 27Feb 28, 2026 — seafloor 64 m (measured), deepest dive 29 m (modelled)Feb 28Mar 9, 2026 — seafloor 33 m (measured), deepest dive 30 m (modelled)Mar 9Mar 9, 2026 — seafloor 43 m (measured), deepest dive 30 m (modelled)Mar 9Mar 18, 2026 — seafloor 76 m (measured), deepest dive 51 m (modelled)Mar 18

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

Dives

55 m
Deepest dive
2:07
Longest dive
95
Dives
18 m
Avg dive depth
9
Sightings
74
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010055 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (63 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 6, 2026

measured
Seafloor depth
63 m
Sea-surface temperature
25.5°C
Distance from shore
5.0 km

Across the residency · 9 sightings

measured
Seafloor depth
29 m – 76 m
Sea-surface temperature
24.3°C – 25.6°C
Distance from shore
1.0 km – 5.0 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 9 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.