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

SEAK-5288 – Residency

5th sighting in Chatham Strait
Fluke of SEAK-5288
SEAK-5288 Confirmed in the catalog @18419
May 30 – Jun 28, 2022 · Chatham Strait

Chatham Strait · May – Jun 2022

104 m
Deepest dive
4:52
Longest dive
52
Dives
Sightings
4
Days between first and last sighting
29

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 30, 202256 m—35 m
May 31, 202285 m—24 m
Jun 27, 2022361 m—104 m
Jun 28, 2022328 m—97 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 30, 2022 — seafloor 56 m (measured), deepest dive 35 m (modelled)May 30May 31, 2022 — seafloor 85 m (measured), deepest dive 24 m (modelled)May 31Jun 27, 2022 — seafloor 361 m (measured), deepest dive 104 m (modelled)Jun 27Jun 28, 2022 — seafloor 328 m (measured), deepest dive 97 m (modelled)Jun 28

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

Dives

104 m
Deepest dive
4:52
Longest dive
52
Dives
22 m
Avg dive depth
4
Sightings
29
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 (361 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 27, 2022

measured
Seafloor depth
361 m
Sea-surface temperature
—
Distance from shore
8.0 km

Across the residency · 4 sightings

measured
Seafloor depth
56 m – 361 m
Sea-surface temperature
—
Distance from shore
2.0 km – 8.0 km

Sources: GEBCO seafloor grid · 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.