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Sitka Sound & Outer Baranof

161423 – Residency

15th sighting in Sitka Sound & Outer Baranof
Fluke of 161423
161423 Confirmed in the catalog @161423
Jul 12 – Sep 22, 2026 · Sitka Sound & Outer Baranof

Silver Bend, All Mine

Found my light on that channel bend, and stayed for it.

129 m
Deepest dive
4:10
Longest dive
160
Dives
Sightings
15
Days between first and last sighting
72
Deepest dive on record
129 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 12, 202633 m12.6°C20 m
Jul 14, 202698 m13.0°C71 m
Jul 15, 2026104 m13.1°C43 m
Jul 17, 2026100 m13.1°C43 m
Jul 18, 202646 m12.9°C36 m
Jul 20, 202698 m12.7°C84 m
Jul 26, 2026100 m12.9°C91 m
Aug 2, 2026121 m13.4°C57 m
Aug 4, 202672 m13.5°C41 m
Aug 6, 202678 m13.9°C51 m
Aug 25, 202661 m14.4°C41 m
Aug 27, 202680 m14.5°C61 m
Sep 13, 202696 m—38 m
Sep 17, 2026143 m—129 m
Sep 22, 202676 m—62 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
Jul 12, 2026 — seafloor 33 m (measured), deepest dive 20 m (modelled)Jul 12Jul 14, 2026 — seafloor 98 m (measured), deepest dive 71 m (modelled)Jul 15, 2026 — seafloor 104 m (measured), deepest dive 43 m (modelled)Jul 17, 2026 — seafloor 100 m (measured), deepest dive 43 m (modelled)Jul 17Jul 18, 2026 — seafloor 46 m (measured), deepest dive 36 m (modelled)Jul 20, 2026 — seafloor 98 m (measured), deepest dive 84 m (modelled)Jul 26, 2026 — seafloor 100 m (measured), deepest dive 91 m (modelled)Jul 26Aug 2, 2026 — seafloor 121 m (measured), deepest dive 57 m (modelled)Aug 4, 2026 — seafloor 72 m (measured), deepest dive 41 m (modelled)Aug 6, 2026 — seafloor 78 m (measured), deepest dive 51 m (modelled)Aug 6Aug 25, 2026 — seafloor 61 m (measured), deepest dive 41 m (modelled)Aug 27, 2026 — seafloor 80 m (measured), deepest dive 61 m (modelled)Sep 13, 2026 — seafloor 96 m (measured), deepest dive 38 m (modelled)Sep 13Sep 17, 2026 — seafloor 143 m (measured), deepest dive 129 m (modelled)Sep 22, 2026 — seafloor 76 m (measured), deepest dive 62 m (modelled)

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

Dives

129 m
Deepest dive
4:10
Longest dive
160
Dives
24 m
Avg dive depth
15
Sightings
72
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150129 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (143 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 · Sep 17, 2026

measured
Seafloor depth
143 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 15 sightings

measured
Seafloor depth
33 m – 143 m
Sea-surface temperature
12.6°C – 14.5°C
Distance from shore
1.0 km – 7.0 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 15 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.