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Prince William Sound

GWAK-P182 – Residency

20th sighting in Prince William Sound
Fluke of GWAK-P182
GWAK-P182 Confirmed in the catalog @13532
Jul 6 – Aug 23, 2026 · Prince William Sound

Sound Full of Herring

Green water, good company, herring thick enough to taste the summer.

121 m
Deepest dive
5:00
Longest dive
126
Dives
Sightings
11
Days between first and last sighting
48
Deepest dive on record
121 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 6, 202697 m11.3°C72 m
Jul 7, 202671 m11.5°C25 m
Jul 13, 2026167 m13.1°C40 m
Jul 22, 202626 m11.1°C15 m
Jul 30, 2026101 m13.2°C76 m
Aug 1, 2026230 m13.5°C121 m
Aug 7, 20269 m—7 m
Aug 21, 2026112 m13.8°C54 m
Aug 21, 2026127 m13.4°C35 m
Aug 22, 2026163 m13.5°C68 m
Aug 23, 2026252 m13.5°C52 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 6, 2026 — seafloor 97 m (measured), deepest dive 72 m (modelled)Jul 6Jul 7, 2026 — seafloor 71 m (measured), deepest dive 25 m (modelled)Jul 7Jul 13, 2026 — seafloor 167 m (measured), deepest dive 40 m (modelled)Jul 13Jul 22, 2026 — seafloor 26 m (measured), deepest dive 15 m (modelled)Jul 22Jul 30, 2026 — seafloor 101 m (measured), deepest dive 76 m (modelled)Jul 30Aug 1, 2026 — seafloor 230 m (measured), deepest dive 121 m (modelled)Aug 1Aug 7, 2026 — seafloor 9 m (measured), deepest dive 7 m (modelled)Aug 7Aug 21, 2026 — seafloor 112 m (measured), deepest dive 54 m (modelled)Aug 21Aug 21, 2026 — seafloor 127 m (measured), deepest dive 35 m (modelled)Aug 21Aug 22, 2026 — seafloor 163 m (measured), deepest dive 68 m (modelled)Aug 22Aug 23, 2026 — seafloor 252 m (measured), deepest dive 52 m (modelled)Aug 23

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

Dives

121 m
Deepest dive
5:00
Longest dive
126
Dives
21 m
Avg dive depth
11
Sightings
48
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150121 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (230 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 1, 2026

measured
Seafloor depth
230 m
Sea-surface temperature
13.5°C
Distance from shore
2.0 km

Across the residency · 11 sightings

measured
Seafloor depth
9 m – 252 m
Sea-surface temperature
11.1°C – 13.8°C
Distance from shore
1.0 km – 4.0 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 11 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.