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

SEAK-1268 – Residency

5th sighting in Au'au Channel
Fluke of SEAK-1268
SEAK-1268 Confirmed in the catalog @19188
Mar 7 – 28, 2026 · Au'au Channel

Channel Days, Every March

Shallow, bright water, another crowd — this stretch of coast just gets me.

104 m
Deepest dive
3:00
Longest dive
18
Dives
Sightings
3
Days between first and last sighting
21
Deepest dive on record
104 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 7, 202661 m24.9°C49 m
Mar 23, 202670 m24.5°C34 m
Mar 28, 2026145 m24.7°C104 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
Mar 7, 2026 — seafloor 61 m (measured), deepest dive 49 m (modelled)Mar 7Mar 23, 2026 — seafloor 70 m (measured), deepest dive 34 m (modelled)Mar 23Mar 28, 2026 — seafloor 145 m (measured), deepest dive 104 m (modelled)Mar 28

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

Dives

104 m
Deepest dive
3:00
Longest dive
18
Dives
25 m
Avg dive depth
3
Sightings
21
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (145 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 · Mar 28, 2026

measured
Seafloor depth
145 m
Sea-surface temperature
24.7°C
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
61 m – 145 m
Sea-surface temperature
24.5°C – 24.9°C
Distance from shore
2.0 km – 7.0 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 3 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.