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

HIHWNMS_2023-2-24_O08 – Residency

6th sighting in Au'au Channel
Fluke of HIHWNMS_2023-2-24_O08
HIHWNMS_2023-2-24_O08 Confirmed in the catalog @94749
Jan 31 – Mar 1, 2026 · Au'au Channel

Au'au Channel · Jan – Mar 2026

49 m
Deepest dive
2:23
Longest dive
41
Dives
Sightings
2
Days between first and last sighting
29

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 31, 202657 m25.6°C49 m
Mar 1, 202647 m24.5°C39 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 31, 2026 — seafloor 57 m (measured), deepest dive 49 m (modelled)Jan 31Mar 1, 2026 — seafloor 47 m (measured), deepest dive 39 m (modelled)Mar 1

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

Dives

49 m
Deepest dive
2:23
Longest dive
41
Dives
20 m
Avg dive depth
2
Sightings
29
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (57 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 · Jan 31, 2026

measured
Seafloor depth
57 m
Sea-surface temperature
25.6°C
Distance from shore
4.0 km

Across the residency · 2 sightings

measured
Seafloor depth
47 m – 57 m
Sea-surface temperature
24.5°C – 25.6°C
Distance from shore
2.0 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 2 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.