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Sitka Sound & Outer Baranof

Star – Residency

21st sighting in Sitka Sound & Outer Baranof
Fluke of Star
Star Confirmed in the catalog @26657
May 23 – Sep 8, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · May – Sep 2025

99 m
Deepest dive
5:21
Longest dive
113
Dives
Sightings
11
Days between first and last sighting
108

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 23, 2025164 m8.7°C99 m
Jun 15, 2025139 m10.5°C59 m
Jul 2, 202535 m12.0°C22 m
Jul 14, 2025126 m13.8°C95 m
Jul 15, 2025114 m13.6°C79 m
Jul 23, 202578 m13.4°C46 m
Jul 24, 2025108 m13.6°C46 m
Jul 31, 2025121 m14.3°C56 m
Aug 2, 202582 m14.3°C27 m
Aug 18, 2025136 m15.3°C45 m
Sep 8, 2025114 m14.3°C61 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
May 23, 2025 — seafloor 164 m (measured), deepest dive 99 m (modelled)May 23Jun 15, 2025 — seafloor 139 m (measured), deepest dive 59 m (modelled)Jun 15Jul 2, 2025 — seafloor 35 m (measured), deepest dive 22 m (modelled)Jul 2Jul 14, 2025 — seafloor 126 m (measured), deepest dive 95 m (modelled)Jul 14Jul 15, 2025 — seafloor 114 m (measured), deepest dive 79 m (modelled)Jul 15Jul 23, 2025 — seafloor 78 m (measured), deepest dive 46 m (modelled)Jul 23Jul 24, 2025 — seafloor 108 m (measured), deepest dive 46 m (modelled)Jul 24Jul 31, 2025 — seafloor 121 m (measured), deepest dive 56 m (modelled)Jul 31Aug 2, 2025 — seafloor 82 m (measured), deepest dive 27 m (modelled)Aug 2Aug 18, 2025 — seafloor 136 m (measured), deepest dive 45 m (modelled)Aug 18Sep 8, 2025 — seafloor 114 m (measured), deepest dive 61 m (modelled)Sep 8

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

Dives

99 m
Deepest dive
5:21
Longest dive
113
Dives
22 m
Avg dive depth
11
Sightings
108
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010099 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (164 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 · May 23, 2025

measured
Seafloor depth
164 m
Sea-surface temperature
8.7°C
Distance from shore
5.0 km

Across the residency · 11 sightings

measured
Seafloor depth
35 m – 164 m
Sea-surface temperature
8.7°C – 15.3°C
Distance from shore
4.0 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.