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

HW-MN0401267 – Residency

3rd sighting in Sitka Sound & Outer Baranof
Fluke of HW-MN0401267
HW-MN0401267 Confirmed in the catalog @63191
Jun 25 – Aug 19, 2026 · Sitka Sound & Outer Baranof

Sitka Sound & Outer Baranof · Jun – Aug 2026

112 m
Deepest dive
4:14
Longest dive
59
Dives
Sightings
3
Days between first and last sighting
55
Deepest dive on record
112 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 25, 2026123 m11.8°C112 m
Aug 14, 2026114 m14.8°C103 m
Aug 19, 202678 m14.6°C37 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 25, 2026 — seafloor 123 m (measured), deepest dive 112 m (modelled)Jun 25Aug 14, 2026 — seafloor 114 m (measured), deepest dive 103 m (modelled)Aug 14Aug 19, 2026 — seafloor 78 m (measured), deepest dive 37 m (modelled)Aug 19

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

Dives

112 m
Deepest dive
4:14
Longest dive
59
Dives
35 m
Avg dive depth
3
Sightings
55
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150112 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (123 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 25, 2026

measured
Seafloor depth
123 m
Sea-surface temperature
11.8°C
Distance from shore
6.0 km

Across the residency · 3 sightings

measured
Seafloor depth
78 m – 123 m
Sea-surface temperature
11.8°C – 14.8°C
Distance from shore
6.0 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 3 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.