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

Hecate – Residency

17th sighting in Salish Sea
Fluke of Hecate
Hecate Confirmed in the catalog @535
Jun 27 – Oct 16, 2026 · Salish Sea

June Company in the Green Water

Rolled in with fresh faces over this stretch, and the shelf still feeds well.

180 m
Deepest dive
5:34
Longest dive
66
Dives
Sightings
6
Days between first and last sighting
111
Deepest dive on record
180 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 27, 2026154 m14.0°C83 m
Jun 29, 2026150 m13.0°C91 m
Sep 7, 2026362 m—180 m
Sep 7, 202689 m—67 m
Sep 19, 2026135 m—81 m
Oct 16, 2026193 m—103 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 27, 2026 — seafloor 154 m (measured), deepest dive 83 m (modelled)Jun 27Jun 29, 2026 — seafloor 150 m (measured), deepest dive 91 m (modelled)Jun 29Sep 7, 2026 — seafloor 362 m (measured), deepest dive 180 m (modelled)Sep 7Sep 7, 2026 — seafloor 89 m (measured), deepest dive 67 m (modelled)Sep 7Sep 19, 2026 — seafloor 135 m (measured), deepest dive 81 m (modelled)Sep 19Oct 16, 2026 — seafloor 193 m (measured), deepest dive 103 m (modelled)Oct 16

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

Dives

180 m
Deepest dive
5:34
Longest dive
66
Dives
32 m
Avg dive depth
6
Sightings
111
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200180 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (362 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 · Sep 7, 2026

measured
Seafloor depth
362 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 6 sightings

measured
Seafloor depth
89 m – 362 m
Sea-surface temperature
13.0°C – 14.0°C
Distance from shore
2.0 km – 11.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 6 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.