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

Jazz – Residency

9th sighting in Chatham Strait
Fluke of Jazz
Jazz Confirmed in the catalog @28752
May 27 – Jul 27, 2026 · Chatham Strait

Chatham Strait, Herring Season

Cold green water, full herring, loud company — exactly how summer should sound.

86 m
Deepest dive
3:22
Longest dive
48
Dives
Sightings
5
Days between first and last sighting
60
Deepest dive on record
86 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 27, 202616 m7.9°C11 m
Jun 8, 2026251 m9.3°C85 m
Jul 13, 2026210 m13.2°C79 m
Jul 23, 202634 m13.1°C26 m
Jul 27, 202696 m13.2°C86 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 27, 2026 — seafloor 16 m (measured), deepest dive 11 m (modelled)May 27Jun 8, 2026 — seafloor 251 m (measured), deepest dive 85 m (modelled)Jun 8Jul 13, 2026 — seafloor 210 m (measured), deepest dive 79 m (modelled)Jul 13Jul 23, 2026 — seafloor 34 m (measured), deepest dive 26 m (modelled)Jul 23Jul 27, 2026 — seafloor 96 m (measured), deepest dive 86 m (modelled)Jul 27

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

Dives

86 m
Deepest dive
3:22
Longest dive
48
Dives
25 m
Avg dive depth
5
Sightings
60
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (96 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 27, 2026

measured
Seafloor depth
96 m
Sea-surface temperature
13.2°C
Distance from shore
1.0 km

Across the residency · 5 sightings

measured
Seafloor depth
16 m – 251 m
Sea-surface temperature
7.9°C – 13.2°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 5 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.