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Sitka Sound & Outer Baranof

HW-MN0401575 – Residency

14th sighting in Sitka Sound & Outer Baranof
Fluke of HW-MN0401575
HW-MN0401575 Confirmed in the catalog @142172
Jul 31 – Nov 16, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Jul – Nov 2025

115 m
Deepest dive
3:58
Longest dive
168
Dives
Sightings
14
Days between first and last sighting
108
Deepest dive on record
115 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 31, 2025115 m—82 m
Aug 2, 202582 m—53 m
Aug 5, 2025139 m—115 m
Aug 6, 202578 m—64 m
Aug 13, 2025130 m—32 m
Aug 18, 2025142 m—59 m
Aug 19, 2025127 m—112 m
Sep 1, 2025102 m—37 m
Sep 18, 2025137 m—93 m
Sep 20, 2025108 m—78 m
Sep 22, 202522 m—18 m
Sep 23, 2025109 m—61 m
Oct 1, 2025105 m—60 m
Nov 16, 202578 m—31 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 31, 2025 — seafloor 115 m (measured), deepest dive 82 m (modelled)Jul 31Aug 2, 2025 — seafloor 82 m (measured), deepest dive 53 m (modelled)Aug 5, 2025 — seafloor 139 m (measured), deepest dive 115 m (modelled)Aug 6, 2025 — seafloor 78 m (measured), deepest dive 64 m (modelled)Aug 6Aug 13, 2025 — seafloor 130 m (measured), deepest dive 32 m (modelled)Aug 18, 2025 — seafloor 142 m (measured), deepest dive 59 m (modelled)Aug 19, 2025 — seafloor 127 m (measured), deepest dive 112 m (modelled)Aug 19Sep 1, 2025 — seafloor 102 m (measured), deepest dive 37 m (modelled)Sep 18, 2025 — seafloor 137 m (measured), deepest dive 93 m (modelled)Sep 20, 2025 — seafloor 108 m (measured), deepest dive 78 m (modelled)Sep 20Sep 22, 2025 — seafloor 22 m (measured), deepest dive 18 m (modelled)Sep 23, 2025 — seafloor 109 m (measured), deepest dive 61 m (modelled)Oct 1, 2025 — seafloor 105 m (measured), deepest dive 60 m (modelled)Oct 1Nov 16, 2025 — seafloor 78 m (measured), deepest dive 31 m (modelled)

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

Dives

115 m
Deepest dive
3:58
Longest dive
168
Dives
25 m
Avg dive depth
14
Sightings
108
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150115 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (139 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 5, 2025

measured
Seafloor depth
139 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 14 sightings

measured
Seafloor depth
22 m – 142 m
Sea-surface temperature
—
Distance from shore
1.0 km – 7.0 km

Sources: GEBCO seafloor grid · 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.