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Au'au Channel

HI18-0034 – Residency

14th sighting in Au'au Channel
Fluke of HI18-0034
HI18-0034 Confirmed in the catalog @33298
Jan 6 – Mar 6, 2026 · Au'au Channel

Au'au Channel · Jan – Mar 2026

81 m
Deepest dive
3:58
Longest dive
87
Dives
Sightings
9
Days between first and last sighting
59
Deepest dive on record
81 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 6, 202633 m25.4°C30 m
Jan 9, 202688 m25.7°C81 m
Jan 10, 202647 m25.6°C22 m
Jan 30, 202620 m25.6°C18 m
Feb 13, 202679 m25.2°C64 m
Feb 14, 202642 m25.0°C36 m
Feb 21, 202689 m24.5°C69 m
Feb 22, 202650 m24.6°C44 m
Mar 6, 202668 m24.8°C53 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 6, 2026 — seafloor 33 m (measured), deepest dive 30 m (modelled)Jan 6Jan 9, 2026 — seafloor 88 m (measured), deepest dive 81 m (modelled)Jan 9Jan 10, 2026 — seafloor 47 m (measured), deepest dive 22 m (modelled)Jan 10Jan 30, 2026 — seafloor 20 m (measured), deepest dive 18 m (modelled)Jan 30Feb 13, 2026 — seafloor 79 m (measured), deepest dive 64 m (modelled)Feb 13Feb 14, 2026 — seafloor 42 m (measured), deepest dive 36 m (modelled)Feb 14Feb 21, 2026 — seafloor 89 m (measured), deepest dive 69 m (modelled)Feb 21Feb 22, 2026 — seafloor 50 m (measured), deepest dive 44 m (modelled)Feb 22Mar 6, 2026 — seafloor 68 m (measured), deepest dive 53 m (modelled)Mar 6

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

Dives

81 m
Deepest dive
3:58
Longest dive
87
Dives
21 m
Avg dive depth
9
Sightings
59
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010081 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (88 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 9, 2026

measured
Seafloor depth
88 m
Sea-surface temperature
25.7°C
Distance from shore
5.0 km

Across the residency · 9 sightings

measured
Seafloor depth
20 m – 89 m
Sea-surface temperature
24.5°C – 25.7°C
Distance from shore
2.0 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 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.