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Lynn Canal & Stephens Passage

SEAK-2445 – Residency

10th sighting in Lynn Canal & Stephens Passage
Fluke of SEAK-2445
SEAK-2445 Confirmed in the catalog @26777
May 5 – Jun 29, 2026 · Lynn Canal & Stephens Passage

Chatham Strait, Thick as Ever

They keep finding me in these waters — good, I'm not hiding.

190 m
Deepest dive
8:35
Longest dive
101
Dives
Sightings
11
Days between first and last sighting
55
Deepest dive on record
190 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 5, 202664 m6.8°C47 m
May 5, 202672 m6.9°C17 m
May 5, 202627 m6.8°C24 m
May 5, 202646 m6.8°C40 m
May 5, 202683 m6.8°C16 m
May 26, 2026214 m7.6°C37 m
May 28, 2026246 m8.2°C101 m
May 29, 2026292 m8.2°C190 m
Jun 22, 20264 m11.4°C4 m
Jun 28, 202629 m11.8°C16 m
Jun 29, 2026125 m11.8°C54 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 5, 2026 — seafloor 64 m (measured), deepest dive 47 m (modelled)May 5May 5, 2026 — seafloor 72 m (measured), deepest dive 17 m (modelled)May 5May 5, 2026 — seafloor 27 m (measured), deepest dive 24 m (modelled)May 5May 5, 2026 — seafloor 46 m (measured), deepest dive 40 m (modelled)May 5May 5, 2026 — seafloor 83 m (measured), deepest dive 16 m (modelled)May 5May 26, 2026 — seafloor 214 m (measured), deepest dive 37 m (modelled)May 26May 28, 2026 — seafloor 246 m (measured), deepest dive 101 m (modelled)May 28May 29, 2026 — seafloor 292 m (measured), deepest dive 190 m (modelled)May 29Jun 22, 2026 — seafloor 4 m (measured), deepest dive 4 m (modelled)Jun 22Jun 28, 2026 — seafloor 29 m (measured), deepest dive 16 m (modelled)Jun 28Jun 29, 2026 — seafloor 125 m (measured), deepest dive 54 m (modelled)Jun 29

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

Dives

190 m
Deepest dive
8:35
Longest dive
101
Dives
20 m
Avg dive depth
11
Sightings
55
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200190 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (292 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 · May 29, 2026

measured
Seafloor depth
292 m
Sea-surface temperature
8.2°C
Distance from shore
5.0 km

Across the residency · 11 sightings

measured
Seafloor depth
4 m – 292 m
Sea-surface temperature
6.8°C – 11.8°C
Distance from shore
1.0 km – 5.0 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 11 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.