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Chatham Strait

SEAK-0973 – Residency

20th sighting in Chatham Strait
Fluke of SEAK-0973
SEAK-0973 Confirmed in the catalog @16867
Jul 8 – 29, 2023 · Chatham Strait

Chatham Strait · Jul 2023

90 m
Deepest dive
3:13
Longest dive
194
Dives
Sightings
10
Days between first and last sighting
21

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 8, 2023111 m—40 m
Jul 11, 2023111 m—90 m
Jul 11, 202357 m—50 m
Jul 14, 202324 m—21 m
Jul 15, 202367 m—59 m
Jul 17, 202391 m—69 m
Jul 20, 202346 m—41 m
Jul 24, 202360 m—44 m
Jul 28, 202392 m—57 m
Jul 29, 202351 m—34 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
Jul 8, 2023 — seafloor 111 m (measured), deepest dive 40 m (modelled)Jul 8Jul 11, 2023 — seafloor 111 m (measured), deepest dive 90 m (modelled)Jul 11Jul 11, 2023 — seafloor 57 m (measured), deepest dive 50 m (modelled)Jul 11Jul 14, 2023 — seafloor 24 m (measured), deepest dive 21 m (modelled)Jul 14Jul 15, 2023 — seafloor 67 m (measured), deepest dive 59 m (modelled)Jul 15Jul 17, 2023 — seafloor 91 m (measured), deepest dive 69 m (modelled)Jul 17Jul 20, 2023 — seafloor 46 m (measured), deepest dive 41 m (modelled)Jul 20Jul 24, 2023 — seafloor 60 m (measured), deepest dive 44 m (modelled)Jul 24Jul 28, 2023 — seafloor 92 m (measured), deepest dive 57 m (modelled)Jul 28Jul 29, 2023 — seafloor 51 m (measured), deepest dive 34 m (modelled)Jul 29

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

Dives

90 m
Deepest dive
3:13
Longest dive
194
Dives
19 m
Avg dive depth
10
Sightings
21
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010090 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (111 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 · Jul 11, 2023

measured
Seafloor depth
111 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 10 sightings

measured
Seafloor depth
24 m – 111 m
Sea-surface temperature
—
Distance from shore
1.0 km – 3.0 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 10 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.