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

Graze – Residency

20th sighting in Salish Sea
Fluke of Graze
Graze Confirmed in the catalog @5382
Jul 6 – Oct 16, 2026 · Salish Sea

Green Water Regular

Mid-summer, home water — someone's always got a camera when I surface.

184 m
Deepest dive
7:20
Longest dive
40
Dives
Sightings
4
Days between first and last sighting
102

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 6, 202694 m16.8°C38 m
Jul 21, 2026103 m19.2°C33 m
Sep 19, 2026135 m—72 m
Oct 16, 2026365 m—184 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
Jul 6, 2026 — seafloor 94 m (measured), deepest dive 38 m (modelled)Jul 6Jul 21, 2026 — seafloor 103 m (measured), deepest dive 33 m (modelled)Jul 21Sep 19, 2026 — seafloor 135 m (measured), deepest dive 72 m (modelled)Sep 19Oct 16, 2026 — seafloor 365 m (measured), deepest dive 184 m (modelled)Oct 16

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

Dives

184 m
Deepest dive
7:20
Longest dive
40
Dives
30 m
Avg dive depth
4
Sightings
102
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200184 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (365 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 · Oct 16, 2026

measured
Seafloor depth
365 m
Sea-surface temperature
—
Distance from shore
10.0 km

Across the residency · 4 sightings

measured
Seafloor depth
94 m – 365 m
Sea-surface temperature
16.8°C – 19.2°C
Distance from shore
2.0 km – 10.0 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 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.