Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

SEAK-2637 – Residency

2nd sighting in Lynn Canal & Stephens Passage
Fluke of SEAK-2637
SEAK-2637 Confirmed in the catalog @13706
Aug 6 – Oct 7, 2025 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Aug – Oct 2025

106 m
Deepest dive
2:49
Longest dive
31
Dives
Sightings
3
Days between first and last sighting
62

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 6, 2025193 m—106 m
Sep 30, 202592 m—52 m
Oct 7, 2025183 m—87 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
Aug 6, 2025 — seafloor 193 m (measured), deepest dive 106 m (modelled)Aug 6Sep 30, 2025 — seafloor 92 m (measured), deepest dive 52 m (modelled)Sep 30Oct 7, 2025 — seafloor 183 m (measured), deepest dive 87 m (modelled)Oct 7

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

Dives

106 m
Deepest dive
2:49
Longest dive
31
Dives
27 m
Avg dive depth
3
Sightings
62
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150106 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (193 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.

Unlock with Risa Deep

Place

Where this happened · Aug 6, 2025

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

Across the residency · 3 sightings

measured
Seafloor depth
92 m – 193 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 3 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.