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

Hornet – Residency

56th sighting in Salish Sea
Fluke of Hornet
Hornet Confirmed in the catalog @3720
Aug 21 – Oct 16, 2026 · Salish Sea

August, Green and Deep

Cold channels, full water, exactly where I like August to be.

141 m
Deepest dive
5:22
Longest dive
112
Dives
Sightings
9
Days between first and last sighting
56
Deepest dive on record
141 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 21, 2026181 m14.9°C91 m
Aug 21, 2026175 m14.9°C101 m
Aug 26, 2026194 m14.5°C36 m
Aug 26, 2026163 m14.3°C125 m
Sep 4, 2026195 m15.2°C141 m
Sep 7, 202690 m15.4°C69 m
Sep 22, 2026173 m14.9°C52 m
Oct 11, 2026158 m10.2°C92 m
Oct 16, 202686 m11.9°C51 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 21, 2026 — seafloor 181 m (measured), deepest dive 91 m (modelled)Aug 21Aug 21, 2026 — seafloor 175 m (measured), deepest dive 101 m (modelled)Aug 21Aug 26, 2026 — seafloor 194 m (measured), deepest dive 36 m (modelled)Aug 26Aug 26, 2026 — seafloor 163 m (measured), deepest dive 125 m (modelled)Aug 26Sep 4, 2026 — seafloor 195 m (measured), deepest dive 141 m (modelled)Sep 4Sep 7, 2026 — seafloor 90 m (measured), deepest dive 69 m (modelled)Sep 7Sep 22, 2026 — seafloor 173 m (measured), deepest dive 52 m (modelled)Sep 22Oct 11, 2026 — seafloor 158 m (measured), deepest dive 92 m (modelled)Oct 11Oct 16, 2026 — seafloor 86 m (measured), deepest dive 51 m (modelled)Oct 16

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

Dives

141 m
Deepest dive
5:22
Longest dive
112
Dives
30 m
Avg dive depth
9
Sightings
56
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150141 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (195 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 4, 2026

measured
Seafloor depth
195 m
Sea-surface temperature
15.2°C
Distance from shore
9.0 km

Across the residency · 9 sightings

measured
Seafloor depth
86 m – 195 m
Sea-surface temperature
10.2°C – 15.4°C
Distance from shore
4.0 km – 10.0 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 9 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.