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Au'au Channel

HW-MN0442898 – Residency

12th sighting in Au'au Channel
Fluke of HW-MN0442898
HW-MN0442898 Confirmed in the catalog @58621
Feb 15 – Mar 8, 2026 · Au'au Channel

Au'au Channel · Feb – Mar 2026

138 m
Deepest dive
4:58
Longest dive
94
Dives
Sightings
8
Days between first and last sighting
21
Deepest dive on record
138 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 15, 202631 m24.9°C27 m
Feb 15, 20261,139 m25.0°C97 m
Feb 15, 202656 m24.9°C29 m
Feb 28, 202668 m24.6°C57 m
Feb 28, 202633 m24.6°C28 m
Mar 6, 2026199 m24.9°C138 m
Mar 8, 202622 m24.4°C17 m
Mar 8, 202622 m24.4°C20 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 15, 2026 — seafloor 31 m (measured), deepest dive 27 m (modelled)Feb 15Feb 15, 2026 — seafloor 1,139 m (measured), deepest dive 97 m (modelled)Feb 15Feb 15, 2026 — seafloor 56 m (measured), deepest dive 29 m (modelled)Feb 15Feb 28, 2026 — seafloor 68 m (measured), deepest dive 57 m (modelled)Feb 28Feb 28, 2026 — seafloor 33 m (measured), deepest dive 28 m (modelled)Feb 28Mar 6, 2026 — seafloor 199 m (measured), deepest dive 138 m (modelled)Mar 6Mar 8, 2026 — seafloor 22 m (measured), deepest dive 17 m (modelled)Mar 8Mar 8, 2026 — seafloor 22 m (measured), deepest dive 20 m (modelled)Mar 8

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

Dives

138 m
Deepest dive
4:58
Longest dive
94
Dives
19 m
Avg dive depth
8
Sightings
21
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150138 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (199 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 · Mar 6, 2026

measured
Seafloor depth
199 m
Sea-surface temperature
24.9°C
Distance from shore
11.0 km

Across the residency · 8 sightings

measured
Seafloor depth
22 m – 1,139 m
Sea-surface temperature
24.4°C – 25.0°C
Distance from shore
1.0 km – 11.0 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 8 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.