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Sitka Sound & Outer Baranof

161913 – Residency

17th sighting in Sitka Sound & Outer Baranof
Fluke of 161913
161913 Confirmed in the catalog @161913
Jul 19 – Sep 21, 2026 · Sitka Sound & Outer Baranof

Found My Strait

First summer here and the herring already know my name.

78 m
Deepest dive
3:21
Longest dive
188
Dives
Sightings
18
Days between first and last sighting
64
Deepest dive on record
78 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 19, 202615 m12.8°C13 m
Jul 19, 202678 m12.9°C53 m
Jul 27, 202679 m12.9°C72 m
Aug 3, 202661 m13.3°C32 m
Aug 6, 202651 m13.8°C46 m
Aug 9, 202663 m14.3°C30 m
Aug 10, 202678 m14.6°C70 m
Aug 11, 202678 m14.6°C49 m
Aug 16, 202651 m15.1°C32 m
Aug 17, 2026143 m14.9°C59 m
Aug 19, 202653 m14.5°C44 m
Aug 25, 202685 m14.4°C78 m
Aug 29, 2026143 m14.5°C28 m
Sep 4, 2026105 m14.0°C62 m
Sep 5, 202678 m14.0°C16 m
Sep 19, 202654 m—33 m
Sep 20, 202678 m—23 m
Sep 21, 202678 m—50 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 19, 2026 — seafloor 15 m (measured), deepest dive 13 m (modelled)Jul 19Jul 19, 2026 — seafloor 78 m (measured), deepest dive 53 m (modelled)Jul 27, 2026 — seafloor 79 m (measured), deepest dive 72 m (modelled)Aug 3, 2026 — seafloor 61 m (measured), deepest dive 32 m (modelled)Aug 3Aug 6, 2026 — seafloor 51 m (measured), deepest dive 46 m (modelled)Aug 9, 2026 — seafloor 63 m (measured), deepest dive 30 m (modelled)Aug 10, 2026 — seafloor 78 m (measured), deepest dive 70 m (modelled)Aug 10Aug 11, 2026 — seafloor 78 m (measured), deepest dive 49 m (modelled)Aug 16, 2026 — seafloor 51 m (measured), deepest dive 32 m (modelled)Aug 17, 2026 — seafloor 143 m (measured), deepest dive 59 m (modelled)Aug 17Aug 19, 2026 — seafloor 53 m (measured), deepest dive 44 m (modelled)Aug 25, 2026 — seafloor 85 m (measured), deepest dive 78 m (modelled)Aug 29, 2026 — seafloor 143 m (measured), deepest dive 28 m (modelled)Aug 29Sep 4, 2026 — seafloor 105 m (measured), deepest dive 62 m (modelled)Sep 5, 2026 — seafloor 78 m (measured), deepest dive 16 m (modelled)Sep 19, 2026 — seafloor 54 m (measured), deepest dive 33 m (modelled)Sep 19Sep 20, 2026 — seafloor 78 m (measured), deepest dive 23 m (modelled)Sep 21, 2026 — seafloor 78 m (measured), deepest dive 50 m (modelled)

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

Dives

78 m
Deepest dive
3:21
Longest dive
188
Dives
21 m
Avg dive depth
18
Sightings
64
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010078 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (85 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 25, 2026

measured
Seafloor depth
85 m
Sea-surface temperature
14.4°C
Distance from shore
2.0 km

Across the residency · 18 sightings

measured
Seafloor depth
15 m – 143 m
Sea-surface temperature
12.8°C – 15.1°C
Distance from shore
1.0 km – 7.0 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 18 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.