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

Old Timer – Residency

3rd sighting in Lynn Canal & Stephens Passage
Fluke of Old Timer
Old Timer Confirmed in the catalog @14432
Sep 6 – Oct 3, 2026 · Lynn Canal & Stephens Passage

Chatham Strait, Every September

Cold green water, full belly, this strait never disappoints me.

106 m
Deepest dive
5:38
Longest dive
25
Dives
Sightings
3
Days between first and last sighting
27

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 6, 202633 m13.0°C30 m
Sep 13, 202615 m12.1°C13 m
Oct 3, 2026211 m10.4°C106 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
Sep 6, 2026 — seafloor 33 m (measured), deepest dive 30 m (modelled)Sep 6Sep 13, 2026 — seafloor 15 m (measured), deepest dive 13 m (modelled)Sep 13Oct 3, 2026 — seafloor 211 m (measured), deepest dive 106 m (modelled)Oct 3

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

Dives

106 m
Deepest dive
5:38
Longest dive
25
Dives
18 m
Avg dive depth
3
Sightings
27
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150106 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (211 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 · Oct 3, 2026

measured
Seafloor depth
211 m
Sea-surface temperature
10.4°C
Distance from shore
—

Across the residency · 3 sightings

measured
Seafloor depth
15 m – 211 m
Sea-surface temperature
10.4°C – 13.0°C
Distance from shore
2.0 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 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).

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