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

Nebakanezzer – Residency

28th sighting in Sitka Sound & Outer Baranof
Fluke of Nebakanezzer
Nebakanezzer Confirmed in the catalog @15638
Jun 11 – Sep 21, 2026 · Sitka Sound & Outer Baranof

Chatham Strait, All Summer

Herring thick, water cold, spruce on the wind — this is mine.

66 m
Deepest dive
3:10
Longest dive
70
Dives
Sightings
8
Days between first and last sighting
102

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 11, 20266 m9.8°C5 m
Jul 8, 202638 m12.0°C26 m
Jul 14, 2026116 m13.1°C66 m
Aug 3, 202663 m13.7°C52 m
Aug 24, 2026143 m14.5°C48 m
Aug 24, 202653 m14.4°C31 m
Aug 25, 202665 m14.4°C41 m
Sep 21, 202683 m11.8°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
Jun 11, 2026 — seafloor 6 m (measured), deepest dive 5 m (modelled)Jun 11Jul 8, 2026 — seafloor 38 m (measured), deepest dive 26 m (modelled)Jul 8Jul 14, 2026 — seafloor 116 m (measured), deepest dive 66 m (modelled)Jul 14Aug 3, 2026 — seafloor 63 m (measured), deepest dive 52 m (modelled)Aug 3Aug 24, 2026 — seafloor 143 m (measured), deepest dive 48 m (modelled)Aug 24Aug 24, 2026 — seafloor 53 m (measured), deepest dive 31 m (modelled)Aug 24Aug 25, 2026 — seafloor 65 m (measured), deepest dive 41 m (modelled)Aug 25Sep 21, 2026 — seafloor 83 m (measured), deepest dive 65 m (modelled)Sep 21

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

Dives

66 m
Deepest dive
3:10
Longest dive
70
Dives
19 m
Avg dive depth
8
Sightings
102
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010066 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (116 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 · Jul 14, 2026

measured
Seafloor depth
116 m
Sea-surface temperature
13.1°C
Distance from shore
2.0 km

Across the residency · 8 sightings

measured
Seafloor depth
6 m – 143 m
Sea-surface temperature
9.8°C – 14.5°C
Distance from shore
1.0 km – 6.0 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 8 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.