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Salish Sea

Stromboli – Residency

20th sighting in Salish Sea
Fluke of Stromboli
Stromboli Confirmed in the catalog @140491
Jun 1 – Sep 21, 2026 · Salish Sea

All Summer, San Juan Waters

Herring thick, water loud, folks who know my face everywhere I turn.

221 m
Deepest dive
7:21
Longest dive
113
Dives
Sightings
8
Days between first and last sighting
111
Deepest dive on record
221 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 1, 2026106 m10.4°C97 m
Jun 14, 2026168 m11.7°C72 m
Jul 9, 2026250 m17.3°C221 m
Jul 16, 202660 m14.8°C36 m
Aug 4, 202661 m14.5°C46 m
Aug 5, 202684 m14.5°C58 m
Aug 27, 202679 m15.3°C72 m
Sep 21, 2026137 m—69 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 1, 2026 — seafloor 106 m (measured), deepest dive 97 m (modelled)Jun 1Jun 14, 2026 — seafloor 168 m (measured), deepest dive 72 m (modelled)Jun 14Jul 9, 2026 — seafloor 250 m (measured), deepest dive 221 m (modelled)Jul 9Jul 16, 2026 — seafloor 60 m (measured), deepest dive 36 m (modelled)Jul 16Aug 4, 2026 — seafloor 61 m (measured), deepest dive 46 m (modelled)Aug 4Aug 5, 2026 — seafloor 84 m (measured), deepest dive 58 m (modelled)Aug 5Aug 27, 2026 — seafloor 79 m (measured), deepest dive 72 m (modelled)Aug 27Sep 21, 2026 — seafloor 137 m (measured), deepest dive 69 m (modelled)Sep 21

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

Dives

221 m
Deepest dive
7:21
Longest dive
113
Dives
28 m
Avg dive depth
8
Sightings
111
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0125250221 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (250 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
250 m
Sea-surface temperature
17.3°C
Distance from shore
2.0 km

Across the residency · 8 sightings

measured
Seafloor depth
60 m – 250 m
Sea-surface temperature
10.4°C – 17.3°C
Distance from shore
2.0 km – 14.0 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 8 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.