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Sitka Sound & Outer Baranof

SEAK-2430 – Residency

15th sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-2430
SEAK-2430 Confirmed in the catalog @40881
May 28 – Jul 19, 2026 · Sitka Sound & Outer Baranof

Chatham Strait, All Summer

Herring thick, breath easy, plenty of chances to be seen this stretch.

102 m
Deepest dive
6:21
Longest dive
110
Dives
Sightings
9
Days between first and last sighting
51

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 28, 202665 m8.2°C59 m
Jul 1, 2026104 m11.7°C67 m
Jul 2, 2026123 m11.8°C53 m
Jul 4, 2026114 m11.7°C102 m
Jul 9, 2026120 m12.1°C62 m
Jul 14, 2026103 m13.0°C68 m
Jul 15, 202627 m13.1°C22 m
Jul 15, 202678 m13.1°C71 m
Jul 19, 202678 m12.9°C28 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 28, 2026 — seafloor 65 m (measured), deepest dive 59 m (modelled)May 28Jul 1, 2026 — seafloor 104 m (measured), deepest dive 67 m (modelled)Jul 1Jul 2, 2026 — seafloor 123 m (measured), deepest dive 53 m (modelled)Jul 2Jul 4, 2026 — seafloor 114 m (measured), deepest dive 102 m (modelled)Jul 4Jul 9, 2026 — seafloor 120 m (measured), deepest dive 62 m (modelled)Jul 9Jul 14, 2026 — seafloor 103 m (measured), deepest dive 68 m (modelled)Jul 14Jul 15, 2026 — seafloor 27 m (measured), deepest dive 22 m (modelled)Jul 15Jul 15, 2026 — seafloor 78 m (measured), deepest dive 71 m (modelled)Jul 15Jul 19, 2026 — seafloor 78 m (measured), deepest dive 28 m (modelled)Jul 19

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

Dives

102 m
Deepest dive
6:21
Longest dive
110
Dives
24 m
Avg dive depth
9
Sightings
51
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150102 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (114 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 4, 2026

measured
Seafloor depth
114 m
Sea-surface temperature
11.7°C
Distance from shore
7.0 km

Across the residency · 9 sightings

measured
Seafloor depth
27 m – 123 m
Sea-surface temperature
8.2°C – 13.1°C
Distance from shore
1.0 km – 8.0 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 9 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.