Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Salish Sea

Cirque – Residency

24th sighting in Salish Sea
Fluke of Cirque
Cirque Confirmed in the catalog @10864
Aug 26 – Sep 23, 2025 · Salish Sea

Salish Sea · Aug – Sep 2025

151 m
Deepest dive
4:38
Longest dive
40
Dives
Sightings
4
Days between first and last sighting
28

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 26, 2025242 m15.0°C151 m
Sep 19, 202531 m13.2°C25 m
Sep 23, 2025137 m13.3°C61 m
Sep 23, 2025157 m13.4°C37 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
Aug 26, 2025 — seafloor 242 m (measured), deepest dive 151 m (modelled)Aug 26Sep 19, 2025 — seafloor 31 m (measured), deepest dive 25 m (modelled)Sep 19Sep 23, 2025 — seafloor 137 m (measured), deepest dive 61 m (modelled)Sep 23Sep 23, 2025 — seafloor 157 m (measured), deepest dive 37 m (modelled)Sep 23

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

Dives

151 m
Deepest dive
4:38
Longest dive
40
Dives
25 m
Avg dive depth
4
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200151 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (242 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 26, 2025

measured
Seafloor depth
242 m
Sea-surface temperature
15.0°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
31 m – 242 m
Sea-surface temperature
13.2°C – 15.0°C
Distance from shore
1.0 km – 6.0 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.