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

HW-MN0443043 – Residency

11th sighting in Au'au Channel
Fluke of HW-MN0443043
HW-MN0443043 Confirmed in the catalog @58770
Feb 24 – Mar 2, 2026 · Au'au Channel

Au'au Channel · Feb – Mar 2026

49 m
Deepest dive
2:05
Longest dive
35
Dives
Sightings
4
Days between first and last sighting
6

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 24, 202668 m24.5°C33 m
Feb 24, 202647 m24.5°C36 m
Feb 24, 20261,139 m24.6°C49 m
Mar 2, 202616 m24.4°C14 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 24, 2026 — seafloor 68 m (measured), deepest dive 33 m (modelled)Feb 24Feb 24, 2026 — seafloor 47 m (measured), deepest dive 36 m (modelled)Feb 24Feb 24, 2026 — seafloor 1,139 m (measured), deepest dive 49 m (modelled)Feb 24Mar 2, 2026 — seafloor 16 m (measured), deepest dive 14 m (modelled)Mar 2

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
35
Dives
17 m
Avg dive depth
4
Sightings
6
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 (1,139 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 24, 2026

measured
Seafloor depth
1,139 m
Sea-surface temperature
24.6°C
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
16 m – 1,139 m
Sea-surface temperature
24.4°C – 24.6°C
Distance from shore
3.0 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.