Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Sitka Sound & Outer Baranof

NashEquilbrium – Residency

16th sighting in Sitka Sound & Outer Baranof
Fluke of NashEquilbrium
NashEquilbrium Confirmed in the catalog @19977
Mar 28 – Sep 6, 2026 · Sitka Sound & Outer Baranof

Chatham Strait, feeding well

Cold green water, plenty of herring, plenty of company — this is the good part.

67 m
Deepest dive
3:08
Longest dive
34
Dives
Sightings
5
Days between first and last sighting
162

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 28, 202629 m4.9°C19 m
Mar 29, 202645 m4.8°C38 m
Jun 11, 2026111 m10.4°C67 m
Jul 4, 2026333 m11.2°C20 m
Sep 6, 2026161 m13.1°C65 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
Mar 28, 2026 — seafloor 29 m (measured), deepest dive 19 m (modelled)Mar 28Mar 29, 2026 — seafloor 45 m (measured), deepest dive 38 m (modelled)Mar 29Jun 11, 2026 — seafloor 111 m (measured), deepest dive 67 m (modelled)Jun 11Jul 4, 2026 — seafloor 333 m (measured), deepest dive 20 m (modelled)Jul 4Sep 6, 2026 — seafloor 161 m (measured), deepest dive 65 m (modelled)Sep 6

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

Dives

67 m
Deepest dive
3:08
Longest dive
34
Dives
21 m
Avg dive depth
5
Sightings
162
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010067 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (111 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 · Jun 11, 2026

measured
Seafloor depth
111 m
Sea-surface temperature
10.4°C
Distance from shore
3.0 km

Across the residency · 5 sightings

measured
Seafloor depth
29 m – 333 m
Sea-surface temperature
4.8°C – 13.1°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 5 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.