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Lynn Canal & Stephens Passage

Comb over – Residency

47th sighting in Lynn Canal & Stephens Passage
Fluke of Comb over
Comb over Confirmed in the catalog @18449
May 17 – Sep 29, 2025 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · May – Sep 2025

169 m
Deepest dive
7:19
Longest dive
225
Dives
Sightings
16
Days between first and last sighting
135
Deepest dive on record
169 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 17, 202571 m7.5°C50 m
Jun 13, 202543 m9.8°C23 m
Aug 19, 2025241 m14.4°C169 m
Aug 25, 202593 m15.0°C67 m
Aug 28, 2025105 m15.2°C58 m
Sep 2, 202585 m14.8°C61 m
Sep 3, 2025104 m14.6°C94 m
Sep 12, 202566 m12.8°C61 m
Sep 13, 202580 m12.9°C68 m
Sep 14, 202584 m13.5°C70 m
Sep 15, 2025102 m13.3°C61 m
Sep 18, 202572 m12.9°C50 m
Sep 19, 2025146 m12.6°C44 m
Sep 20, 2025106 m12.5°C36 m
Sep 28, 202567 m12.2°C41 m
Sep 29, 202577 m11.7°C60 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 17, 2025 — seafloor 71 m (measured), deepest dive 50 m (modelled)May 17Jun 13, 2025 — seafloor 43 m (measured), deepest dive 23 m (modelled)Aug 19, 2025 — seafloor 241 m (measured), deepest dive 169 m (modelled)Aug 25, 2025 — seafloor 93 m (measured), deepest dive 67 m (modelled)Aug 25Aug 28, 2025 — seafloor 105 m (measured), deepest dive 58 m (modelled)Sep 2, 2025 — seafloor 85 m (measured), deepest dive 61 m (modelled)Sep 3, 2025 — seafloor 104 m (measured), deepest dive 94 m (modelled)Sep 3Sep 12, 2025 — seafloor 66 m (measured), deepest dive 61 m (modelled)Sep 13, 2025 — seafloor 80 m (measured), deepest dive 68 m (modelled)Sep 14, 2025 — seafloor 84 m (measured), deepest dive 70 m (modelled)Sep 14Sep 15, 2025 — seafloor 102 m (measured), deepest dive 61 m (modelled)Sep 18, 2025 — seafloor 72 m (measured), deepest dive 50 m (modelled)Sep 19, 2025 — seafloor 146 m (measured), deepest dive 44 m (modelled)Sep 19Sep 20, 2025 — seafloor 106 m (measured), deepest dive 36 m (modelled)Sep 28, 2025 — seafloor 67 m (measured), deepest dive 41 m (modelled)Sep 29, 2025 — seafloor 77 m (measured), deepest dive 60 m (modelled)Sep 29

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

Dives

169 m
Deepest dive
7:19
Longest dive
225
Dives
24 m
Avg dive depth
16
Sightings
135
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200169 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (241 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 19, 2025

measured
Seafloor depth
241 m
Sea-surface temperature
14.4°C
Distance from shore
6.0 km

Across the residency · 16 sightings

measured
Seafloor depth
43 m – 241 m
Sea-surface temperature
7.5°C – 15.2°C
Distance from shore
1.0 km – 6.0 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 16 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.