Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Clarence Strait

SEAK-5424 – Residency

10th sighting in Clarence Strait
Fluke of SEAK-5424
SEAK-5424 Confirmed in the catalog @42563
May 7 – Jun 6, 2026 · Clarence Strait

Strait Full of Herring

Cold water, full mouth, exactly where I meant to be.

87 m
Deepest dive
3:30
Longest dive
100
Dives
Sightings
5
Days between first and last sighting
30

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 7, 202672 m9.0°C61 m
May 7, 202672 m9.0°C49 m
May 13, 202659 m8.9°C42 m
Jun 1, 202693 m11.1°C66 m
Jun 6, 2026137 m10.7°C87 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
May 7, 2026 — seafloor 72 m (measured), deepest dive 61 m (modelled)May 7May 7, 2026 — seafloor 72 m (measured), deepest dive 49 m (modelled)May 7May 13, 2026 — seafloor 59 m (measured), deepest dive 42 m (modelled)May 13Jun 1, 2026 — seafloor 93 m (measured), deepest dive 66 m (modelled)Jun 1Jun 6, 2026 — seafloor 137 m (measured), deepest dive 87 m (modelled)Jun 6

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

Dives

87 m
Deepest dive
3:30
Longest dive
100
Dives
19 m
Avg dive depth
5
Sightings
30
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010087 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (137 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 · Jun 6, 2026

measured
Seafloor depth
137 m
Sea-surface temperature
10.7°C
Distance from shore
1.0 km

Across the residency · 5 sightings

measured
Seafloor depth
59 m – 137 m
Sea-surface temperature
8.9°C – 11.1°C
Distance from shore
1.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 5 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.