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Sitka Sound & Outer Baranof

GrayShell – Residency

60th sighting in Sitka Sound & Outer Baranof
Fluke of GrayShell
GrayShell Confirmed in the catalog @26825
Jul 19 – Sep 20, 2024 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Jul – Sep 2024

67 m
Deepest dive
2:35
Longest dive
143
Dives
Sightings
14
Days between first and last sighting
63

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 19, 202492 m12.9°C66 m
Jul 25, 202445 m13.0°C39 m
Jul 26, 202478 m13.4°C48 m
Aug 2, 2024101 m14.6°C58 m
Aug 4, 202478 m14.3°C52 m
Aug 12, 202478 m14.7°C36 m
Aug 12, 202472 m14.5°C18 m
Aug 15, 202478 m14.6°C67 m
Aug 17, 202437 m14.4°C31 m
Aug 26, 202478 m12.5°C52 m
Sep 3, 2024120 m14.1°C50 m
Sep 14, 202433 m12.6°C29 m
Sep 20, 202478 m12.6°C40 m
Sep 20, 202478 m12.6°C67 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, 2024 — seafloor 92 m (measured), deepest dive 66 m (modelled)Jul 19Jul 25, 2024 — seafloor 45 m (measured), deepest dive 39 m (modelled)Jul 26, 2024 — seafloor 78 m (measured), deepest dive 48 m (modelled)Aug 2, 2024 — seafloor 101 m (measured), deepest dive 58 m (modelled)Aug 2Aug 4, 2024 — seafloor 78 m (measured), deepest dive 52 m (modelled)Aug 12, 2024 — seafloor 78 m (measured), deepest dive 36 m (modelled)Aug 12, 2024 — seafloor 72 m (measured), deepest dive 18 m (modelled)Aug 12Aug 15, 2024 — seafloor 78 m (measured), deepest dive 67 m (modelled)Aug 17, 2024 — seafloor 37 m (measured), deepest dive 31 m (modelled)Aug 26, 2024 — seafloor 78 m (measured), deepest dive 52 m (modelled)Aug 26Sep 3, 2024 — seafloor 120 m (measured), deepest dive 50 m (modelled)Sep 14, 2024 — seafloor 33 m (measured), deepest dive 29 m (modelled)Sep 20, 2024 — seafloor 78 m (measured), deepest dive 40 m (modelled)Sep 20Sep 20, 2024 — seafloor 78 m (measured), deepest dive 67 m (modelled)

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

Dives

67 m
Deepest dive
2:35
Longest dive
143
Dives
21 m
Avg dive depth
14
Sightings
63
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010067 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (78 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 20, 2024

measured
Seafloor depth
78 m
Sea-surface temperature
12.6°C
Distance from shore
7.0 km

Across the residency · 14 sightings

measured
Seafloor depth
33 m – 120 m
Sea-surface temperature
12.5°C – 14.7°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 14 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.