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Chatham Strait

SEAK-2391 – Residency

39th sighting in Chatham Strait
Fluke of SEAK-2391
SEAK-2391 Confirmed in the catalog @18285
Jun 8 – Aug 24, 2023 · Chatham Strait

Chatham Strait · Jun – Aug 2023

87 m
Deepest dive
3:47
Longest dive
149
Dives
Sightings
13
Days between first and last sighting
77

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 8, 202364 m9.0°C38 m
Jun 9, 202346 m9.2°C41 m
Jul 5, 202391 m11.2°C43 m
Jul 11, 2023111 m11.8°C54 m
Jul 11, 202357 m12.0°C40 m
Jul 12, 2023111 m12.1°C80 m
Jul 14, 202364 m13.1°C58 m
Jul 15, 202366 m13.0°C58 m
Jul 17, 202391 m12.0°C62 m
Jul 20, 202348 m11.7°C42 m
Jul 24, 202360 m12.2°C49 m
Jul 28, 202392 m12.9°C62 m
Aug 24, 2023127 m12.2°C87 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 8, 2023 — seafloor 64 m (measured), deepest dive 38 m (modelled)Jun 8Jun 9, 2023 — seafloor 46 m (measured), deepest dive 41 m (modelled)Jul 5, 2023 — seafloor 91 m (measured), deepest dive 43 m (modelled)Jul 11, 2023 — seafloor 111 m (measured), deepest dive 54 m (modelled)Jul 11Jul 11, 2023 — seafloor 57 m (measured), deepest dive 40 m (modelled)Jul 12, 2023 — seafloor 111 m (measured), deepest dive 80 m (modelled)Jul 14, 2023 — seafloor 64 m (measured), deepest dive 58 m (modelled)Jul 14Jul 15, 2023 — seafloor 66 m (measured), deepest dive 58 m (modelled)Jul 17, 2023 — seafloor 91 m (measured), deepest dive 62 m (modelled)Jul 20, 2023 — seafloor 48 m (measured), deepest dive 42 m (modelled)Jul 20Jul 24, 2023 — seafloor 60 m (measured), deepest dive 49 m (modelled)Jul 28, 2023 — seafloor 92 m (measured), deepest dive 62 m (modelled)Aug 24, 2023 — seafloor 127 m (measured), deepest dive 87 m (modelled)Aug 24

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

Dives

87 m
Deepest dive
3:47
Longest dive
149
Dives
22 m
Avg dive depth
13
Sightings
77
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 (127 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 24, 2023

measured
Seafloor depth
127 m
Sea-surface temperature
12.2°C
Distance from shore
3.0 km

Across the residency · 13 sightings

measured
Seafloor depth
46 m – 127 m
Sea-surface temperature
9.0°C – 13.1°C
Distance from shore
1.0 km – 4.0 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 13 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.