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

Split Fin – Residency

83rd sighting in Salish Sea
Fluke of Split Fin
Split Fin Confirmed in the catalog @4083
May 6 – Jun 26, 2022 · Salish Sea

Seven Weeks Home

Another spring in my mother's waters, circling the same beloved depths.

110 m
Deepest dive
3:58
Longest dive
107
Dives
Sightings
10
Days between first and last sighting
51

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 6, 202283 m8.5°C50 m
Jun 3, 2022158 m9.6°C19 m
Jun 6, 2022123 m10.0°C61 m
Jun 8, 202252 m10.8°C36 m
Jun 10, 202263 m11.3°C51 m
Jun 10, 2022126 m11.8°C110 m
Jun 12, 2022132 m10.0°C39 m
Jun 13, 2022260 m11.5°C44 m
Jun 26, 2022121 m11.7°C38 m
Jun 26, 2022103 m11.4°C52 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
May 6, 2022 — seafloor 83 m (measured), deepest dive 50 m (modelled)May 6Jun 3, 2022 — seafloor 158 m (measured), deepest dive 19 m (modelled)Jun 3Jun 6, 2022 — seafloor 123 m (measured), deepest dive 61 m (modelled)Jun 6Jun 8, 2022 — seafloor 52 m (measured), deepest dive 36 m (modelled)Jun 8Jun 10, 2022 — seafloor 63 m (measured), deepest dive 51 m (modelled)Jun 10Jun 10, 2022 — seafloor 126 m (measured), deepest dive 110 m (modelled)Jun 10Jun 12, 2022 — seafloor 132 m (measured), deepest dive 39 m (modelled)Jun 12Jun 13, 2022 — seafloor 260 m (measured), deepest dive 44 m (modelled)Jun 13Jun 26, 2022 — seafloor 121 m (measured), deepest dive 38 m (modelled)Jun 26Jun 26, 2022 — seafloor 103 m (measured), deepest dive 52 m (modelled)Jun 26

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

Dives

110 m
Deepest dive
3:58
Longest dive
107
Dives
23 m
Avg dive depth
10
Sightings
51
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150110 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (126 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 · Jun 10, 2022

measured
Seafloor depth
126 m
Sea-surface temperature
11.8°C
Distance from shore
1.0 km

Across the residency · 10 sightings

measured
Seafloor depth
52 m – 260 m
Sea-surface temperature
8.5°C – 11.8°C
Distance from shore
1.0 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 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.