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

Flash – Residency

33rd sighting in Chatham Strait
Fluke of Flash
Flash Confirmed in the catalog @11179
Jun 18 – Sep 8, 2024 · Chatham Strait

Chatham Strait · Jun – Sep 2024

126 m
Deepest dive
4:18
Longest dive
104
Dives
Sightings
11
Days between first and last sighting
82

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 18, 2024333 m10.3°C126 m
Jul 6, 202439 m11.7°C30 m
Jul 11, 202440 m11.8°C36 m
Jul 17, 2024333 m11.4°C47 m
Jul 26, 202433 m11.3°C27 m
Aug 23, 202473 m11.7°C38 m
Sep 4, 2024218 m14.1°C38 m
Sep 7, 202482 m13.0°C40 m
Sep 8, 2024109 m12.9°C69 m
Sep 8, 2024151 m12.9°C126 m
Sep 8, 2024179 m12.9°C63 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 18, 2024 — seafloor 333 m (measured), deepest dive 126 m (modelled)Jun 18Jul 6, 2024 — seafloor 39 m (measured), deepest dive 30 m (modelled)Jul 6Jul 11, 2024 — seafloor 40 m (measured), deepest dive 36 m (modelled)Jul 11Jul 17, 2024 — seafloor 333 m (measured), deepest dive 47 m (modelled)Jul 17Jul 26, 2024 — seafloor 33 m (measured), deepest dive 27 m (modelled)Jul 26Aug 23, 2024 — seafloor 73 m (measured), deepest dive 38 m (modelled)Aug 23Sep 4, 2024 — seafloor 218 m (measured), deepest dive 38 m (modelled)Sep 4Sep 7, 2024 — seafloor 82 m (measured), deepest dive 40 m (modelled)Sep 7Sep 8, 2024 — seafloor 109 m (measured), deepest dive 69 m (modelled)Sep 8Sep 8, 2024 — seafloor 151 m (measured), deepest dive 126 m (modelled)Sep 8Sep 8, 2024 — seafloor 179 m (measured), deepest dive 63 m (modelled)Sep 8

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

Dives

126 m
Deepest dive
4:18
Longest dive
104
Dives
22 m
Avg dive depth
11
Sightings
82
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150126 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (333 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 · Jun 18, 2024

measured
Seafloor depth
333 m
Sea-surface temperature
10.3°C
Distance from shore
1.0 km

Across the residency · 11 sightings

measured
Seafloor depth
33 m – 333 m
Sea-surface temperature
10.3°C – 14.1°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 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.