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Sitka Sound & Outer Baranof

SEAK-5644 – Residency

43rd sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-5644
SEAK-5644 Confirmed in the catalog @46796
Jul 19 – Sep 25, 2026 · Sitka Sound & Outer Baranof

Same Cove, Again

Kept the same green water all summer, alone as ever.

93 m
Deepest dive
2:54
Longest dive
246
Dives
Sightings
19
Days between first and last sighting
68

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 19, 202678 m12.9°C39 m
Aug 1, 202657 m13.1°C47 m
Aug 2, 202628 m13.3°C18 m
Aug 3, 202665 m13.3°C50 m
Aug 6, 202655 m13.8°C43 m
Aug 8, 202654 m13.8°C33 m
Aug 9, 202673 m14.4°C64 m
Aug 10, 202668 m14.5°C60 m
Aug 11, 202671 m14.6°C61 m
Aug 16, 202678 m14.8°C55 m
Aug 16, 202663 m15.2°C48 m
Aug 17, 2026143 m14.9°C23 m
Aug 26, 202657 m14.3°C34 m
Sep 1, 202659 m13.8°C50 m
Sep 4, 2026109 m14.2°C93 m
Sep 6, 202629 m14.1°C20 m
Sep 15, 202678 m11.5°C62 m
Sep 24, 202678 m10.8°C71 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 78 m (measured), deepest dive 39 m (modelled)Jul 19Aug 1, 2026 — seafloor 57 m (measured), deepest dive 47 m (modelled)Aug 2, 2026 — seafloor 28 m (measured), deepest dive 18 m (modelled)Aug 3, 2026 — seafloor 65 m (measured), deepest dive 50 m (modelled)Aug 6, 2026 — seafloor 55 m (measured), deepest dive 43 m (modelled)Aug 6Aug 8, 2026 — seafloor 54 m (measured), deepest dive 33 m (modelled)Aug 9, 2026 — seafloor 73 m (measured), deepest dive 64 m (modelled)Aug 10, 2026 — seafloor 68 m (measured), deepest dive 60 m (modelled)Aug 11, 2026 — seafloor 71 m (measured), deepest dive 61 m (modelled)Aug 11Aug 16, 2026 — seafloor 78 m (measured), deepest dive 55 m (modelled)Aug 16, 2026 — seafloor 63 m (measured), deepest dive 48 m (modelled)Aug 17, 2026 — seafloor 143 m (measured), deepest dive 23 m (modelled)Aug 26, 2026 — seafloor 57 m (measured), deepest dive 34 m (modelled)Aug 26Sep 1, 2026 — seafloor 59 m (measured), deepest dive 50 m (modelled)Sep 4, 2026 — seafloor 109 m (measured), deepest dive 93 m (modelled)Sep 6, 2026 — seafloor 29 m (measured), deepest dive 20 m (modelled)Sep 15, 2026 — seafloor 78 m (measured), deepest dive 62 m (modelled)Sep 15Sep 24, 2026 — seafloor 78 m (measured), deepest dive 71 m (modelled)Sep 25, 2026 — seafloor 103 m (measured), deepest dive 43 m (modelled)

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

Dives

93 m
Deepest dive
2:54
Longest dive
246
Dives
21 m
Avg dive depth
19
Sightings
68
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010093 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (109 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 4, 2026

measured
Seafloor depth
109 m
Sea-surface temperature
14.2°C
Distance from shore
2.0 km

Across the residency · 19 sightings

measured
Seafloor depth
28 m – 143 m
Sea-surface temperature
10.8°C – 15.2°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 19 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.