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

HIHWNMS-2016-1-20_G04_A03 – Residency

Fluke of HIHWNMS-2016-1-20_G04_A03
HIHWNMS-2016-1-20_G04_A03 Confirmed in the catalog @37035
May 23 – Jul 13, 2026 · North Pacific

Bright Water, Full Company

Herring thick, light long, and I surfaced right where I like it.

21 m
Deepest dive
1:11
Longest dive
17
Dives
Sightings
3
Days between first and last sighting
51

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 23, 202616 m9.6°C12 m
Jul 11, 202653 m12.3°C21 m
Jul 13, 202632 m15.0°C21 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
May 23, 2026 — seafloor 16 m (measured), deepest dive 12 m (modelled)May 23Jul 11, 2026 — seafloor 53 m (measured), deepest dive 21 m (modelled)Jul 11Jul 13, 2026 — seafloor 32 m (measured), deepest dive 21 m (modelled)Jul 13

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

Dives

21 m
Deepest dive
1:11
Longest dive
17
Dives
13 m
Avg dive depth
3
Sightings
51
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255021 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (53 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 11, 2026

measured
Seafloor depth
53 m
Sea-surface temperature
12.3°C
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
16 m – 53 m
Sea-surface temperature
9.6°C – 15.0°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 3 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.