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

SEAK-UASE-JAN-20050719-064 – Residency

5th sighting in Au'au Channel
Fluke of SEAK-UASE-JAN-20050719-064
SEAK-UASE-JAN-20050719-064 Confirmed in the catalog @26680
Apr 4 – 28, 2026 · Au'au Channel

Bright Water, Good Company

Spring caught me in Au'au again, cameras clicking, company as easy as ever.

49 m
Deepest dive
2:05
Longest dive
38
Dives
Sightings
4
Days between first and last sighting
24

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 4, 202656 m24.1°C36 m
Apr 7, 202619 m24.3°C14 m
Apr 7, 202676 m24.7°C27 m
Apr 28, 202689 m25.6°C49 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
Apr 4, 2026 — seafloor 56 m (measured), deepest dive 36 m (modelled)Apr 4Apr 7, 2026 — seafloor 19 m (measured), deepest dive 14 m (modelled)Apr 7Apr 7, 2026 — seafloor 76 m (measured), deepest dive 27 m (modelled)Apr 7Apr 28, 2026 — seafloor 89 m (measured), deepest dive 49 m (modelled)Apr 28

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

Dives

49 m
Deepest dive
2:05
Longest dive
38
Dives
15 m
Avg dive depth
4
Sightings
24
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (89 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 · Apr 28, 2026

measured
Seafloor depth
89 m
Sea-surface temperature
25.6°C
Distance from shore
6.0 km

Across the residency · 4 sightings

measured
Seafloor depth
19 m – 89 m
Sea-surface temperature
24.1°C – 25.6°C
Distance from shore
1.0 km – 6.0 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 4 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.