Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Wyatt – Residency

6th sighting in Chatham Strait
Fluke of Wyatt
Wyatt Confirmed in the catalog @37936
Jun 16 – Jul 22, 2026 · Chatham Strait

Chatham Strait, Herring Season

Herring balled up thick, boats know my flukes, life is good.

78 m
Deepest dive
3:21
Longest dive
51
Dives
Sightings
4
Days between first and last sighting
36

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 16, 202617 m10.4°C15 m
Jul 5, 202699 m12.1°C53 m
Jul 11, 202630 m12.3°C28 m
Jul 22, 202699 m13.3°C78 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 16, 2026 — seafloor 17 m (measured), deepest dive 15 m (modelled)Jun 16Jul 5, 2026 — seafloor 99 m (measured), deepest dive 53 m (modelled)Jul 5Jul 11, 2026 — seafloor 30 m (measured), deepest dive 28 m (modelled)Jul 11Jul 22, 2026 — seafloor 99 m (measured), deepest dive 78 m (modelled)Jul 22

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

Dives

78 m
Deepest dive
3:21
Longest dive
51
Dives
19 m
Avg dive depth
4
Sightings
36
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010078 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (99 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 22, 2026

measured
Seafloor depth
99 m
Sea-surface temperature
13.3°C
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
17 m – 99 m
Sea-surface temperature
10.4°C – 13.3°C
Distance from shore
1.0 km – 2.0 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 4 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.