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Sitka Sound & Outer Baranof

SEAK-1692 – Residency

60th sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-1692
SEAK-1692 Confirmed in the catalog @37883
Jun 30 – Sep 29, 2026 · Sitka Sound & Outer Baranof

Chatham Strait, running deep

Whole late summer parked over the herring, and folks kept catching me at it.

114 m
Deepest dive
4:47
Longest dive
238
Dives
Sightings
21
Days between first and last sighting
91

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 30, 2026108 m11.9°C78 m
Jul 2, 202678 m11.8°C35 m
Jul 4, 2026114 m11.7°C49 m
Jul 7, 2026125 m12.0°C73 m
Jul 15, 202678 m13.1°C57 m
Jul 16, 202678 m13.0°C68 m
Jul 20, 202698 m12.7°C82 m
Jul 23, 202678 m12.9°C58 m
Jul 29, 202678 m13.2°C45 m
Jul 31, 2026126 m13.1°C114 m
Aug 1, 2026109 m13.1°C54 m
Aug 2, 2026120 m13.4°C61 m
Aug 16, 202674 m15.0°C25 m
Aug 19, 202693 m14.6°C79 m
Aug 20, 202678 m14.6°C40 m
Aug 25, 2026143 m14.6°C47 m
Aug 30, 2026136 m14.4°C105 m
Sep 11, 2026137 m13.6°C25 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 108 m (measured), deepest dive 78 m (modelled)Jun 30Jul 2, 2026 — seafloor 78 m (measured), deepest dive 35 m (modelled)Jul 4, 2026 — seafloor 114 m (measured), deepest dive 49 m (modelled)Jul 7, 2026 — seafloor 125 m (measured), deepest dive 73 m (modelled)Jul 15, 2026 — seafloor 78 m (measured), deepest dive 57 m (modelled)Jul 15Jul 16, 2026 — seafloor 78 m (measured), deepest dive 68 m (modelled)Jul 20, 2026 — seafloor 98 m (measured), deepest dive 82 m (modelled)Jul 23, 2026 — seafloor 78 m (measured), deepest dive 58 m (modelled)Jul 29, 2026 — seafloor 78 m (measured), deepest dive 45 m (modelled)Jul 29Jul 31, 2026 — seafloor 126 m (measured), deepest dive 114 m (modelled)Aug 1, 2026 — seafloor 109 m (measured), deepest dive 54 m (modelled)Aug 2, 2026 — seafloor 120 m (measured), deepest dive 61 m (modelled)Aug 16, 2026 — seafloor 74 m (measured), deepest dive 25 m (modelled)Aug 16Aug 19, 2026 — seafloor 93 m (measured), deepest dive 79 m (modelled)Aug 20, 2026 — seafloor 78 m (measured), deepest dive 40 m (modelled)Aug 25, 2026 — seafloor 143 m (measured), deepest dive 47 m (modelled)Aug 30, 2026 — seafloor 136 m (measured), deepest dive 105 m (modelled)Aug 30Sep 11, 2026 — seafloor 137 m (measured), deepest dive 25 m (modelled)Sep 14, 2026 — seafloor 85 m (measured), deepest dive 33 m (modelled)Sep 17, 2026 — seafloor 143 m (measured), deepest dive 57 m (modelled)Sep 29, 2026 — seafloor 88 m (measured), deepest dive 54 m (modelled)Sep 29

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

Dives

114 m
Deepest dive
4:47
Longest dive
238
Dives
24 m
Avg dive depth
21
Sightings
91
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150114 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (126 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 · Jul 31, 2026

measured
Seafloor depth
126 m
Sea-surface temperature
13.1°C
Distance from shore
5.0 km

Across the residency · 21 sightings

measured
Seafloor depth
74 m – 143 m
Sea-surface temperature
10.7°C – 15.0°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 21 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.