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

CRC-20600 – Residency

4th sighting in Chatham Strait
Fluke of CRC-20600
CRC-20600 Confirmed in the catalog @79124
Jun 7 – 17, 2026 · Chatham Strait

Chatham Strait, June again in spirit

Cold water, green trees, herring waiting — exactly where I want June to find me.

59 m
Deepest dive
2:32
Longest dive
53
Dives
Sightings
4
Days between first and last sighting
9

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 7, 202685 m9.8°C59 m
Jun 14, 2026333 m10.2°C30 m
Jun 15, 202630 m—27 m
Jun 17, 2026333 m9.9°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
Jun 7, 2026 — seafloor 85 m (measured), deepest dive 59 m (modelled)Jun 7Jun 14, 2026 — seafloor 333 m (measured), deepest dive 30 m (modelled)Jun 14Jun 15, 2026 — seafloor 30 m (measured), deepest dive 27 m (modelled)Jun 15Jun 17, 2026 — seafloor 333 m (measured), deepest dive 53 m (modelled)Jun 17

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

Dives

59 m
Deepest dive
2:32
Longest dive
53
Dives
18 m
Avg dive depth
4
Sightings
9
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010059 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (85 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 7, 2026

measured
Seafloor depth
85 m
Sea-surface temperature
9.8°C
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
30 m – 333 m
Sea-surface temperature
9.8°C – 10.2°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 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.