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

HW-MN0525082 – Residency

2nd sighting in Clarence Strait
Fluke of HW-MN0525082
HW-MN0525082 Confirmed in the catalog @153544
Aug 3 – 15, 2026 · Clarence Strait

Clarence Strait · Aug 2026

86 m
Deepest dive
3:37
Longest dive
28
Dives
Sightings
2
Days between first and last sighting
12
Deepest dive on record
86 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 3, 2026245 m12.8°C86 m
Aug 15, 202688 m14.2°C58 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
Aug 3, 2026 — seafloor 245 m (measured), deepest dive 86 m (modelled)Aug 3Aug 15, 2026 — seafloor 88 m (measured), deepest dive 58 m (modelled)Aug 15

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

Dives

86 m
Deepest dive
3:37
Longest dive
28
Dives
35 m
Avg dive depth
2
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (245 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 · Aug 3, 2026

measured
Seafloor depth
245 m
Sea-surface temperature
12.8°C
Distance from shore
—

Across the residency · 2 sightings

measured
Seafloor depth
88 m – 245 m
Sea-surface temperature
12.8°C – 14.2°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 2 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.