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Sitka Sound & Outer Baranof

SEAK-1953 – Residency

43rd sighting in Sitka Sound & Outer Baranof
Fluke of SEAK-1953
SEAK-1953 Confirmed in the catalog @39433
May 5 – Jun 11, 2025 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · May – Jun 2025

47 m
Deepest dive
2:05
Longest dive
83
Dives
Sightings
9
Days between first and last sighting
37

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 5, 202577 m7.2°C47 m
May 8, 202573 m7.5°C34 m
May 20, 2025-45 m8.1°C—
May 25, 2025-20 m8.7°C—
May 27, 2025-16 m8.1°C—
May 28, 202541 m8.2°C30 m
Jun 9, 202525 m8.8°C22 m
Jun 10, 202522 m8.9°C16 m
Jun 11, 202536 m9.0°C32 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 5, 2025 — seafloor 77 m (measured), deepest dive 47 m (modelled)May 5May 8, 2025 — seafloor 73 m (measured), deepest dive 34 m (modelled)May 8May 20, 2025 — seafloor -45 m (measured), deepest dive — (modelled)May 20May 25, 2025 — seafloor -20 m (measured), deepest dive — (modelled)May 25May 27, 2025 — seafloor -16 m (measured), deepest dive — (modelled)May 27May 28, 2025 — seafloor 41 m (measured), deepest dive 30 m (modelled)May 28Jun 9, 2025 — seafloor 25 m (measured), deepest dive 22 m (modelled)Jun 9Jun 10, 2025 — seafloor 22 m (measured), deepest dive 16 m (modelled)Jun 10Jun 11, 2025 — seafloor 36 m (measured), deepest dive 32 m (modelled)Jun 11

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

Dives

47 m
Deepest dive
2:05
Longest dive
83
Dives
15 m
Avg dive depth
9
Sightings
37
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (77 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 · May 5, 2025

measured
Seafloor depth
77 m
Sea-surface temperature
7.2°C
Distance from shore
1.0 km

Across the residency · 9 sightings

measured
Seafloor depth
-45 m – 77 m
Sea-surface temperature
7.2°C – 9.0°C
Distance from shore
1.0 km – 3.0 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.