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

Shearwater – Residency

25th sighting in Salish Sea
Fluke of Shearwater
Shearwater Confirmed in the catalog @104611
Jun 17 – Sep 20, 2026 · Salish Sea

A Whole Summer of Herring

Full-on midsummer here, lifting my bird-wing fluke every single dive.

182 m
Deepest dive
5:45
Longest dive
119
Dives
Sightings
10
Days between first and last sighting
95
Deepest dive on record
182 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 17, 2026137 m15.8°C95 m
Jun 19, 2026128 m15.8°C96 m
Jun 20, 202695 m15.7°C50 m
Jun 23, 2026174 m16.2°C128 m
Jun 26, 2026107 m14.8°C48 m
Jun 30, 2026175 m12.5°C67 m
Jul 9, 2026199 m16.6°C182 m
Jul 19, 202626 m13.9°C24 m
Aug 4, 2026154 m15.3°C76 m
Sep 20, 2026158 m—40 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 17, 2026 — seafloor 137 m (measured), deepest dive 95 m (modelled)Jun 17Jun 19, 2026 — seafloor 128 m (measured), deepest dive 96 m (modelled)Jun 19Jun 20, 2026 — seafloor 95 m (measured), deepest dive 50 m (modelled)Jun 20Jun 23, 2026 — seafloor 174 m (measured), deepest dive 128 m (modelled)Jun 23Jun 26, 2026 — seafloor 107 m (measured), deepest dive 48 m (modelled)Jun 26Jun 30, 2026 — seafloor 175 m (measured), deepest dive 67 m (modelled)Jun 30Jul 9, 2026 — seafloor 199 m (measured), deepest dive 182 m (modelled)Jul 9Jul 19, 2026 — seafloor 26 m (measured), deepest dive 24 m (modelled)Jul 19Aug 4, 2026 — seafloor 154 m (measured), deepest dive 76 m (modelled)Aug 4Sep 20, 2026 — seafloor 158 m (measured), deepest dive 40 m (modelled)Sep 20

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

Dives

182 m
Deepest dive
5:45
Longest dive
119
Dives
28 m
Avg dive depth
10
Sightings
95
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200182 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (199 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 9, 2026

measured
Seafloor depth
199 m
Sea-surface temperature
16.6°C
Distance from shore
6.0 km

Across the residency · 10 sightings

measured
Seafloor depth
26 m – 199 m
Sea-surface temperature
12.5°C – 16.6°C
Distance from shore
2.0 km – 13.0 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 10 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.