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Sitka Sound & Outer Baranof

SEAK-2112 – Residency

13th sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-2112
SEAK-2112 Confirmed in the catalog @26835
Aug 18 – Sep 13, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Aug – Sep 2025

119 m
Deepest dive
4:29
Longest dive
170
Dives
Sightings
11
Days between first and last sighting
26
Deepest dive on record
119 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 18, 2025155 m15.3°C80 m
Aug 19, 2025127 m15.3°C68 m
Aug 21, 2025122 m14.9°C51 m
Aug 25, 202578 m15.6°C51 m
Sep 1, 2025125 m14.8°C114 m
Sep 2, 2025119 m14.6°C105 m
Sep 2, 202578 m14.7°C63 m
Sep 5, 2025138 m14.9°C33 m
Sep 8, 2025111 m14.3°C77 m
Sep 9, 2025130 m14.3°C119 m
Sep 13, 2025123 m13.6°C73 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 18, 2025 — seafloor 155 m (measured), deepest dive 80 m (modelled)Aug 18Aug 19, 2025 — seafloor 127 m (measured), deepest dive 68 m (modelled)Aug 19Aug 21, 2025 — seafloor 122 m (measured), deepest dive 51 m (modelled)Aug 21Aug 25, 2025 — seafloor 78 m (measured), deepest dive 51 m (modelled)Aug 25Sep 1, 2025 — seafloor 125 m (measured), deepest dive 114 m (modelled)Sep 1Sep 2, 2025 — seafloor 119 m (measured), deepest dive 105 m (modelled)Sep 2Sep 2, 2025 — seafloor 78 m (measured), deepest dive 63 m (modelled)Sep 2Sep 5, 2025 — seafloor 138 m (measured), deepest dive 33 m (modelled)Sep 5Sep 8, 2025 — seafloor 111 m (measured), deepest dive 77 m (modelled)Sep 8Sep 9, 2025 — seafloor 130 m (measured), deepest dive 119 m (modelled)Sep 9Sep 13, 2025 — seafloor 123 m (measured), deepest dive 73 m (modelled)Sep 13

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

Dives

119 m
Deepest dive
4:29
Longest dive
170
Dives
25 m
Avg dive depth
11
Sightings
26
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150119 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (130 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 9, 2025

measured
Seafloor depth
130 m
Sea-surface temperature
14.3°C
Distance from shore
2.0 km

Across the residency · 11 sightings

measured
Seafloor depth
78 m – 155 m
Sea-surface temperature
13.6°C – 15.6°C
Distance from shore
2.0 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 11 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.