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

GWAK-P103 – Residency

21st sighting in Prince William Sound
Fluke of GWAK-P103
GWAK-P103 Confirmed in the catalog @13529
Jul 22 – Sep 17, 2026 · Prince William Sound

Sound Regular, Mid-Summer Edition

Cameras out again in my sound — cataloguing years, one summer at a time.

110 m
Deepest dive
3:58
Longest dive
114
Dives
Sightings
7
Days between first and last sighting
57
Deepest dive on record
110 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 22, 2026317 m11.1°C60 m
Jul 27, 2026146 m12.0°C86 m
Jul 30, 202692 m13.2°C76 m
Aug 5, 202692 m13.6°C81 m
Aug 8, 2026345 m14.5°C110 m
Sep 11, 2026267 m—58 m
Sep 17, 2026144 m—50 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 22, 2026 — seafloor 317 m (measured), deepest dive 60 m (modelled)Jul 22Jul 27, 2026 — seafloor 146 m (measured), deepest dive 86 m (modelled)Jul 27Jul 30, 2026 — seafloor 92 m (measured), deepest dive 76 m (modelled)Jul 30Aug 5, 2026 — seafloor 92 m (measured), deepest dive 81 m (modelled)Aug 5Aug 8, 2026 — seafloor 345 m (measured), deepest dive 110 m (modelled)Aug 8Sep 11, 2026 — seafloor 267 m (measured), deepest dive 58 m (modelled)Sep 11Sep 17, 2026 — seafloor 144 m (measured), deepest dive 50 m (modelled)Sep 17

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

Dives

110 m
Deepest dive
3:58
Longest dive
114
Dives
26 m
Avg dive depth
7
Sightings
57
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150110 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (345 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 · Aug 8, 2026

measured
Seafloor depth
345 m
Sea-surface temperature
14.5°C
Distance from shore
3.0 km

Across the residency · 7 sightings

measured
Seafloor depth
92 m – 345 m
Sea-surface temperature
11.1°C – 14.5°C
Distance from shore
1.0 km – 3.0 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 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).

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