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Sitka Sound & Outer Baranof

154333 – Residency

11th sighting in Sitka Sound & Outer Baranof
Fluke of 154333
154333 Confirmed in the catalog @154333
Jul 29 – Aug 30, 2026 · Sitka Sound & Outer Baranof

One Good Shelf

Stuck to the same rich water all month, breath after breath.

83 m
Deepest dive
3:56
Longest dive
129
Dives
Sightings
11
Days between first and last sighting
32
Deepest dive on record
83 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 29, 202678 m13.2°C62 m
Aug 1, 2026104 m13.1°C73 m
Aug 2, 2026126 m13.4°C72 m
Aug 9, 202670 m14.3°C46 m
Aug 13, 202696 m14.3°C74 m
Aug 14, 2026113 m14.9°C55 m
Aug 15, 202678 m14.7°C30 m
Aug 18, 202618 m14.7°C15 m
Aug 24, 202693 m14.5°C63 m
Aug 25, 202693 m14.4°C83 m
Aug 30, 2026136 m14.4°C31 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 29, 2026 — seafloor 78 m (measured), deepest dive 62 m (modelled)Jul 29Aug 1, 2026 — seafloor 104 m (measured), deepest dive 73 m (modelled)Aug 1Aug 2, 2026 — seafloor 126 m (measured), deepest dive 72 m (modelled)Aug 2Aug 9, 2026 — seafloor 70 m (measured), deepest dive 46 m (modelled)Aug 9Aug 13, 2026 — seafloor 96 m (measured), deepest dive 74 m (modelled)Aug 13Aug 14, 2026 — seafloor 113 m (measured), deepest dive 55 m (modelled)Aug 14Aug 15, 2026 — seafloor 78 m (measured), deepest dive 30 m (modelled)Aug 15Aug 18, 2026 — seafloor 18 m (measured), deepest dive 15 m (modelled)Aug 18Aug 24, 2026 — seafloor 93 m (measured), deepest dive 63 m (modelled)Aug 24Aug 25, 2026 — seafloor 93 m (measured), deepest dive 83 m (modelled)Aug 25Aug 30, 2026 — seafloor 136 m (measured), deepest dive 31 m (modelled)Aug 30

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

Dives

83 m
Deepest dive
3:56
Longest dive
129
Dives
22 m
Avg dive depth
11
Sightings
32
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010083 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (93 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
93 m
Sea-surface temperature
14.4°C
Distance from shore
2.0 km

Across the residency · 11 sightings

measured
Seafloor depth
18 m – 136 m
Sea-surface temperature
13.1°C – 14.9°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.