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Sitka Sound & Outer Baranof

161425 – Residency

23rd sighting in Sitka Sound & Outer Baranof
Fluke of 161425
161425 Confirmed in the catalog @161425
Jun 30 – Sep 6, 2026 · Sitka Sound & Outer Baranof

One Channel, All Summer

Same cold water, same tide lines — I stayed put.

121 m
Deepest dive
3:59
Longest dive
308
Dives
Sightings
23
Days between first and last sighting
68
Deepest dive on record
121 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 30, 202678 m11.9°C59 m
Jul 6, 202663 m12.2°C56 m
Jul 14, 2026104 m13.0°C64 m
Jul 20, 202698 m12.7°C70 m
Jul 26, 202678 m12.9°C71 m
Jul 27, 202689 m13.0°C63 m
Aug 3, 202661 m13.3°C53 m
Aug 4, 202653 m13.4°C42 m
Aug 5, 202659 m13.5°C38 m
Aug 6, 202678 m13.9°C62 m
Aug 9, 202663 m14.3°C49 m
Aug 11, 202663 m14.7°C50 m
Aug 13, 2026143 m14.3°C121 m
Aug 14, 2026114 m14.8°C73 m
Aug 15, 202699 m14.8°C66 m
Aug 18, 202678 m14.8°C68 m
Aug 19, 2026109 m14.6°C59 m
Aug 25, 202693 m14.4°C77 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
Jun 30, 2026 — seafloor 78 m (measured), deepest dive 59 m (modelled)Jun 30Jul 6, 2026 — seafloor 63 m (measured), deepest dive 56 m (modelled)Jul 14, 2026 — seafloor 104 m (measured), deepest dive 64 m (modelled)Jul 20, 2026 — seafloor 98 m (measured), deepest dive 70 m (modelled)Jul 26, 2026 — seafloor 78 m (measured), deepest dive 71 m (modelled)Jul 26Jul 27, 2026 — seafloor 89 m (measured), deepest dive 63 m (modelled)Aug 3, 2026 — seafloor 61 m (measured), deepest dive 53 m (modelled)Aug 4, 2026 — seafloor 53 m (measured), deepest dive 42 m (modelled)Aug 5, 2026 — seafloor 59 m (measured), deepest dive 38 m (modelled)Aug 5Aug 6, 2026 — seafloor 78 m (measured), deepest dive 62 m (modelled)Aug 9, 2026 — seafloor 63 m (measured), deepest dive 49 m (modelled)Aug 11, 2026 — seafloor 63 m (measured), deepest dive 50 m (modelled)Aug 13, 2026 — seafloor 143 m (measured), deepest dive 121 m (modelled)Aug 13Aug 14, 2026 — seafloor 114 m (measured), deepest dive 73 m (modelled)Aug 15, 2026 — seafloor 99 m (measured), deepest dive 66 m (modelled)Aug 18, 2026 — seafloor 78 m (measured), deepest dive 68 m (modelled)Aug 19, 2026 — seafloor 109 m (measured), deepest dive 59 m (modelled)Aug 19Aug 25, 2026 — seafloor 93 m (measured), deepest dive 77 m (modelled)Aug 27, 2026 — seafloor 81 m (measured), deepest dive 24 m (modelled)Aug 30, 2026 — seafloor 39 m (measured), deepest dive 30 m (modelled)Aug 31, 2026 — seafloor 143 m (measured), deepest dive 91 m (modelled)Aug 31Sep 2, 2026 — seafloor 59 m (measured), deepest dive 45 m (modelled)Sep 6, 2026 — seafloor 37 m (measured), deepest dive 30 m (modelled)

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

Dives

121 m
Deepest dive
3:59
Longest dive
308
Dives
23 m
Avg dive depth
23
Sightings
68
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150121 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (143 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 13, 2026

measured
Seafloor depth
143 m
Sea-surface temperature
14.3°C
Distance from shore
6.0 km

Across the residency · 23 sightings

measured
Seafloor depth
37 m – 143 m
Sea-surface temperature
11.9°C – 14.8°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 23 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.