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

SEAK-5141 – Residency

10th sighting in Chatham Strait
Fluke of SEAK-5141
SEAK-5141 Confirmed in the catalog @22732
May 30 – Jul 20, 2022 · Chatham Strait

Chatham Strait · May – Jul 2022

87 m
Deepest dive
2:54
Longest dive
42
Dives
Sightings
4
Days between first and last sighting
51

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 30, 202274 m9.4°C45 m
Jun 27, 2022354 m11.9°C87 m
Jun 28, 202284 m11.8°C49 m
Jul 20, 202251 m13.8°C45 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 74 m (measured), deepest dive 45 m (modelled)May 30Jun 27, 2022 — seafloor 354 m (measured), deepest dive 87 m (modelled)Jun 27Jun 28, 2022 — seafloor 84 m (measured), deepest dive 49 m (modelled)Jun 28Jul 20, 2022 — seafloor 51 m (measured), deepest dive 45 m (modelled)Jul 20

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

Dives

87 m
Deepest dive
2:54
Longest dive
42
Dives
23 m
Avg dive depth
4
Sightings
51
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 (354 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
354 m
Sea-surface temperature
11.9°C
Distance from shore
8.0 km

Across the residency · 4 sightings

measured
Seafloor depth
51 m – 354 m
Sea-surface temperature
9.4°C – 13.8°C
Distance from shore
1.0 km – 8.0 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.