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

2022 calf of Alma – Residency

7th sighting in Salish Sea
Fluke of 2022 calf of Alma
2022 calf of Alma Confirmed in the catalog @97900
Aug 23 – Sep 7, 2026 · Salish Sea

Herring Season, My Water

Caught this inlet thick with herring again this month — I know exactly where to be.

99 m
Deepest dive
3:03
Longest dive
47
Dives
Sightings
3
Days between first and last sighting
15

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 23, 2026134 m14.4°C99 m
Aug 31, 2026173 m14.5°C57 m
Sep 7, 2026125 m—71 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 23, 2026 — seafloor 134 m (measured), deepest dive 99 m (modelled)Aug 23Aug 31, 2026 — seafloor 173 m (measured), deepest dive 57 m (modelled)Aug 31Sep 7, 2026 — seafloor 125 m (measured), deepest dive 71 m (modelled)Sep 7

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

Dives

99 m
Deepest dive
3:03
Longest dive
47
Dives
25 m
Avg dive depth
3
Sightings
15
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010099 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (134 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 · Aug 23, 2026

measured
Seafloor depth
134 m
Sea-surface temperature
14.4°C
Distance from shore
9.0 km

Across the residency · 3 sightings

measured
Seafloor depth
125 m – 173 m
Sea-surface temperature
14.4°C – 14.5°C
Distance from shore
4.0 km – 9.0 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 3 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.