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

BCY0526 – Residency

12th sighting in Au'au Channel
Fluke of BCY0526
BCY0526 Confirmed in the catalog @29492
Feb 6 – Mar 1, 2026 · Au'au Channel

Au'au Channel · Feb – Mar 2026

56 m
Deepest dive
2:34
Longest dive
56
Dives
Sightings
5
Days between first and last sighting
23

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 6, 2026-10 m25.4°C—
Feb 26, 202636 m24.3°C30 m
Feb 28, 202667 m24.6°C56 m
Mar 1, 202619 m24.5°C16 m
Mar 1, 202648 m24.5°C44 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 6, 2026 — seafloor -10 m (measured), deepest dive — (modelled)Feb 6Feb 26, 2026 — seafloor 36 m (measured), deepest dive 30 m (modelled)Feb 26Feb 28, 2026 — seafloor 67 m (measured), deepest dive 56 m (modelled)Feb 28Mar 1, 2026 — seafloor 19 m (measured), deepest dive 16 m (modelled)Mar 1Mar 1, 2026 — seafloor 48 m (measured), deepest dive 44 m (modelled)Mar 1

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

Dives

56 m
Deepest dive
2:34
Longest dive
56
Dives
18 m
Avg dive depth
5
Sightings
23
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010056 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (67 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 28, 2026

measured
Seafloor depth
67 m
Sea-surface temperature
24.6°C
Distance from shore
2.0 km

Across the residency · 5 sightings

measured
Seafloor depth
-10 m – 67 m
Sea-surface temperature
24.3°C – 25.4°C
Distance from shore
2.0 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 5 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.