Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Sitka Sound & Outer Baranof

SEAK-2432 – Residency

8th sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-2432
SEAK-2432 Confirmed in the catalog @42552
Aug 17 – Oct 9, 2026 · Sitka Sound & Outer Baranof

Green Water Regulars

Cold water, good crowd, easy to spot me among friends.

100 m
Deepest dive
4:17
Longest dive
100
Dives
Sightings
7
Days between first and last sighting
53
Deepest dive on record
100 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 17, 202672 m15.8°C28 m
Aug 30, 202678 m14.4°C72 m
Aug 31, 202668 m14.1°C36 m
Sep 9, 2026109 m13.8°C81 m
Sep 15, 202693 m11.8°C59 m
Sep 22, 2026100 m11.1°C67 m
Oct 9, 2026117 m10.4°C100 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 17, 2026 — seafloor 72 m (measured), deepest dive 28 m (modelled)Aug 17Aug 30, 2026 — seafloor 78 m (measured), deepest dive 72 m (modelled)Aug 30Aug 31, 2026 — seafloor 68 m (measured), deepest dive 36 m (modelled)Aug 31Sep 9, 2026 — seafloor 109 m (measured), deepest dive 81 m (modelled)Sep 9Sep 15, 2026 — seafloor 93 m (measured), deepest dive 59 m (modelled)Sep 15Sep 22, 2026 — seafloor 100 m (measured), deepest dive 67 m (modelled)Sep 22Oct 9, 2026 — seafloor 117 m (measured), deepest dive 100 m (modelled)Oct 9

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

Dives

100 m
Deepest dive
4:17
Longest dive
100
Dives
25 m
Avg dive depth
7
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
075150100 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (117 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 · Oct 9, 2026

measured
Seafloor depth
117 m
Sea-surface temperature
10.4°C
Distance from shore
5.0 km

Across the residency · 7 sightings

measured
Seafloor depth
68 m – 117 m
Sea-surface temperature
10.4°C – 15.8°C
Distance from shore
1.0 km – 5.0 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 7 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.