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Sitka Sound & Outer Baranof

SEAK-2507 – Residency

12th sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-2507
SEAK-2507 Confirmed in the catalog @33437
Aug 19 – Oct 11, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Aug – Oct 2025

103 m
Deepest dive
4:31
Longest dive
159
Dives
Sightings
12
Days between first and last sighting
53

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 19, 2025125 m15.1°C76 m
Aug 25, 202578 m15.6°C56 m
Aug 27, 202583 m15.7°C71 m
Aug 28, 2025164 m15.8°C53 m
Sep 1, 2025125 m14.8°C51 m
Sep 2, 202555 m14.7°C48 m
Sep 5, 2025138 m14.9°C103 m
Sep 8, 202585 m14.3°C50 m
Sep 9, 2025125 m14.3°C21 m
Sep 13, 2025123 m13.6°C98 m
Sep 28, 202593 m11.9°C77 m
Oct 11, 2025147 m11.3°C77 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 19, 2025 — seafloor 125 m (measured), deepest dive 76 m (modelled)Aug 19Aug 25, 2025 — seafloor 78 m (measured), deepest dive 56 m (modelled)Aug 25Aug 27, 2025 — seafloor 83 m (measured), deepest dive 71 m (modelled)Aug 27Aug 28, 2025 — seafloor 164 m (measured), deepest dive 53 m (modelled)Aug 28Sep 1, 2025 — seafloor 125 m (measured), deepest dive 51 m (modelled)Sep 1Sep 2, 2025 — seafloor 55 m (measured), deepest dive 48 m (modelled)Sep 2Sep 5, 2025 — seafloor 138 m (measured), deepest dive 103 m (modelled)Sep 5Sep 8, 2025 — seafloor 85 m (measured), deepest dive 50 m (modelled)Sep 8Sep 9, 2025 — seafloor 125 m (measured), deepest dive 21 m (modelled)Sep 9Sep 13, 2025 — seafloor 123 m (measured), deepest dive 98 m (modelled)Sep 13Sep 28, 2025 — seafloor 93 m (measured), deepest dive 77 m (modelled)Sep 28Oct 11, 2025 — seafloor 147 m (measured), deepest dive 77 m (modelled)Oct 11

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

Dives

103 m
Deepest dive
4:31
Longest dive
159
Dives
24 m
Avg dive depth
12
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150103 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (138 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 5, 2025

measured
Seafloor depth
138 m
Sea-surface temperature
14.9°C
Distance from shore
2.0 km

Across the residency · 12 sightings

measured
Seafloor depth
55 m – 164 m
Sea-surface temperature
11.3°C – 15.8°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 12 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.