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

161911 – Residency

7th sighting in Sitka Sound & Outer Baranof
Fluke of 161911
161911 Confirmed in the catalog @161911
Aug 4 – Sep 22, 2026 · Sitka Sound & Outer Baranof

This Bay, By Heart

Herring in the green water, and me not going anywhere.

114 m
Deepest dive
3:55
Longest dive
67
Dives
Sightings
7
Days between first and last sighting
49
Deepest dive on record
114 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 4, 202678 m13.5°C14 m
Aug 24, 202699 m14.5°C67 m
Aug 30, 2026136 m14.4°C30 m
Sep 5, 202699 m13.9°C73 m
Sep 14, 2026109 m13.4°C79 m
Sep 17, 2026143 m—114 m
Sep 22, 2026143 m—47 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
Aug 4, 2026 — seafloor 78 m (measured), deepest dive 14 m (modelled)Aug 4Aug 24, 2026 — seafloor 99 m (measured), deepest dive 67 m (modelled)Aug 24Aug 30, 2026 — seafloor 136 m (measured), deepest dive 30 m (modelled)Aug 30Sep 5, 2026 — seafloor 99 m (measured), deepest dive 73 m (modelled)Sep 5Sep 14, 2026 — seafloor 109 m (measured), deepest dive 79 m (modelled)Sep 14Sep 17, 2026 — seafloor 143 m (measured), deepest dive 114 m (modelled)Sep 17Sep 22, 2026 — seafloor 143 m (measured), deepest dive 47 m (modelled)Sep 22

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

Dives

114 m
Deepest dive
3:55
Longest dive
67
Dives
23 m
Avg dive depth
7
Sightings
49
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150114 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.

Unlock with Risa Deep

Place

Where this happened · Sep 17, 2026

measured
Seafloor depth
143 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 7 sightings

measured
Seafloor depth
78 m – 143 m
Sea-surface temperature
13.4°C – 14.5°C
Distance from shore
4.0 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 7 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.