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Sitka Sound & Outer Baranof

HW-MN0444836 – Residency

18th sighting in Sitka Sound & Outer Baranof
Fluke of HW-MN0444836
HW-MN0444836 Confirmed in the catalog @131608
Jul 2 – Sep 15, 2026 · Sitka Sound & Outer Baranof

Long Summer in the Green Water

Stayed put, fed hard, let the lenses find me often.

108 m
Deepest dive
3:42
Longest dive
256
Dives
Sightings
18
Days between first and last sighting
75

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 2, 2026105 m11.9°C90 m
Jul 31, 202697 m13.0°C57 m
Aug 1, 202642 m13.1°C33 m
Aug 4, 202678 m13.6°C65 m
Aug 8, 202671 m13.8°C62 m
Aug 9, 202668 m14.3°C59 m
Aug 24, 202678 m14.4°C38 m
Aug 25, 202686 m14.4°C69 m
Aug 26, 202664 m14.3°C29 m
Aug 27, 202652 m14.2°C44 m
Aug 30, 202662 m14.4°C52 m
Sep 1, 202667 m13.8°C58 m
Sep 2, 2026143 m13.8°C108 m
Sep 5, 202678 m14.0°C58 m
Sep 6, 202682 m13.9°C70 m
Sep 7, 202688 m14.1°C51 m
Sep 14, 2026109 m13.4°C34 m
Sep 15, 2026118 m11.6°C75 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
Jul 2, 2026 — seafloor 105 m (measured), deepest dive 90 m (modelled)Jul 2Jul 31, 2026 — seafloor 97 m (measured), deepest dive 57 m (modelled)Aug 1, 2026 — seafloor 42 m (measured), deepest dive 33 m (modelled)Aug 4, 2026 — seafloor 78 m (measured), deepest dive 65 m (modelled)Aug 4Aug 8, 2026 — seafloor 71 m (measured), deepest dive 62 m (modelled)Aug 9, 2026 — seafloor 68 m (measured), deepest dive 59 m (modelled)Aug 24, 2026 — seafloor 78 m (measured), deepest dive 38 m (modelled)Aug 24Aug 25, 2026 — seafloor 86 m (measured), deepest dive 69 m (modelled)Aug 26, 2026 — seafloor 64 m (measured), deepest dive 29 m (modelled)Aug 27, 2026 — seafloor 52 m (measured), deepest dive 44 m (modelled)Aug 27Aug 30, 2026 — seafloor 62 m (measured), deepest dive 52 m (modelled)Sep 1, 2026 — seafloor 67 m (measured), deepest dive 58 m (modelled)Sep 2, 2026 — seafloor 143 m (measured), deepest dive 108 m (modelled)Sep 2Sep 5, 2026 — seafloor 78 m (measured), deepest dive 58 m (modelled)Sep 6, 2026 — seafloor 82 m (measured), deepest dive 70 m (modelled)Sep 7, 2026 — seafloor 88 m (measured), deepest dive 51 m (modelled)Sep 7Sep 14, 2026 — seafloor 109 m (measured), deepest dive 34 m (modelled)Sep 15, 2026 — seafloor 118 m (measured), deepest dive 75 m (modelled)

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

Dives

108 m
Deepest dive
3:42
Longest dive
256
Dives
23 m
Avg dive depth
18
Sightings
75
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150108 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (143 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 · Sep 2, 2026

measured
Seafloor depth
143 m
Sea-surface temperature
13.8°C
Distance from shore
6.0 km

Across the residency · 18 sightings

measured
Seafloor depth
42 m – 143 m
Sea-surface temperature
11.6°C – 14.4°C
Distance from shore
1.0 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 18 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.