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Sitka Sound & Outer Baranof

Nemo AK – Residency

29th sighting in Sitka Sound & Outer Baranof
Fluke of Nemo AK
Nemo AK Confirmed in the catalog @161421
Jul 10 – Sep 17, 2026 · Sitka Sound & Outer Baranof

Lopsided and Loving It

Whole summer of surfacings, one crooked tail, all mine.

97 m
Deepest dive
4:32
Longest dive
426
Dives
Sightings
29
Days between first and last sighting
69
Deepest dive on record
97 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 10, 202678 m12.2°C64 m
Jul 12, 202633 m12.6°C29 m
Jul 13, 202699 m12.8°C87 m
Jul 14, 2026125 m13.0°C87 m
Jul 16, 202678 m13.0°C29 m
Jul 18, 202646 m12.9°C30 m
Jul 19, 202693 m12.8°C69 m
Jul 21, 202678 m12.8°C41 m
Jul 22, 202681 m12.8°C48 m
Jul 23, 2026123 m12.9°C58 m
Jul 26, 2026113 m12.9°C83 m
Jul 29, 202620 m13.1°C18 m
Jul 31, 202697 m13.0°C77 m
Aug 3, 2026113 m13.4°C78 m
Aug 4, 202695 m13.6°C47 m
Aug 5, 202678 m13.7°C62 m
Aug 9, 202678 m14.4°C32 m
Aug 12, 2026100 m14.3°C82 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 10, 2026 — seafloor 78 m (measured), deepest dive 64 m (modelled)Jul 10Jul 12, 2026 — seafloor 33 m (measured), deepest dive 29 m (modelled)Jul 13, 2026 — seafloor 99 m (measured), deepest dive 87 m (modelled)Jul 14, 2026 — seafloor 125 m (measured), deepest dive 87 m (modelled)Jul 16, 2026 — seafloor 78 m (measured), deepest dive 29 m (modelled)Jul 18, 2026 — seafloor 46 m (measured), deepest dive 30 m (modelled)Jul 18Jul 19, 2026 — seafloor 93 m (measured), deepest dive 69 m (modelled)Jul 21, 2026 — seafloor 78 m (measured), deepest dive 41 m (modelled)Jul 22, 2026 — seafloor 81 m (measured), deepest dive 48 m (modelled)Jul 23, 2026 — seafloor 123 m (measured), deepest dive 58 m (modelled)Jul 26, 2026 — seafloor 113 m (measured), deepest dive 83 m (modelled)Jul 26Jul 29, 2026 — seafloor 20 m (measured), deepest dive 18 m (modelled)Jul 31, 2026 — seafloor 97 m (measured), deepest dive 77 m (modelled)Aug 3, 2026 — seafloor 113 m (measured), deepest dive 78 m (modelled)Aug 4, 2026 — seafloor 95 m (measured), deepest dive 47 m (modelled)Aug 5, 2026 — seafloor 78 m (measured), deepest dive 62 m (modelled)Aug 5Aug 9, 2026 — seafloor 78 m (measured), deepest dive 32 m (modelled)Aug 12, 2026 — seafloor 100 m (measured), deepest dive 82 m (modelled)Aug 15, 2026 — seafloor 78 m (measured), deepest dive 52 m (modelled)Aug 19, 2026 — seafloor 78 m (measured), deepest dive 42 m (modelled)Aug 24, 2026 — seafloor 99 m (measured), deepest dive 37 m (modelled)Aug 24Aug 27, 2026 — seafloor 78 m (measured), deepest dive 35 m (modelled)Aug 30, 2026 — seafloor 89 m (measured), deepest dive 81 m (modelled)Sep 6, 2026 — seafloor 67 m (measured), deepest dive 47 m (modelled)Sep 11, 2026 — seafloor 138 m (measured), deepest dive 86 m (modelled)Sep 13, 2026 — seafloor 122 m (measured), deepest dive 97 m (modelled)Sep 13Sep 14, 2026 — seafloor 85 m (measured), deepest dive 61 m (modelled)Sep 15, 2026 — seafloor 123 m (measured), deepest dive 89 m (modelled)Sep 17, 2026 — seafloor 117 m (measured), deepest dive 78 m (modelled)

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

Dives

97 m
Deepest dive
4:32
Longest dive
426
Dives
24 m
Avg dive depth
29
Sightings
69
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010097 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (122 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 13, 2026

measured
Seafloor depth
122 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 29 sightings

measured
Seafloor depth
20 m – 138 m
Sea-surface temperature
11.5°C – 14.7°C
Distance from shore
2.0 km – 7.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 29 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.