Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Clarence Strait

Archipelago – Residency

1st sighting in Clarence Strait
Fluke of Archipelago
Archipelago Confirmed in the catalog @34688
May 11 – Aug 14, 2026 · Clarence Strait

Home Waters, Early Summer

Slid into my favorite channel and everyone knew my back.

46 m
Deepest dive
1:57
Longest dive
20
Dives
Sightings
3
Days between first and last sighting
94

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 11, 2026119 m9.4°C46 m
Jul 20, 202623 m12.9°C20 m
Aug 14, 2026114 m14.5°C38 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 11, 2026 — seafloor 119 m (measured), deepest dive 46 m (modelled)May 11Jul 20, 2026 — seafloor 23 m (measured), deepest dive 20 m (modelled)Jul 20Aug 14, 2026 — seafloor 114 m (measured), deepest dive 38 m (modelled)Aug 14

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

Dives

46 m
Deepest dive
1:57
Longest dive
20
Dives
17 m
Avg dive depth
3
Sightings
94
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255046 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (119 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 · May 11, 2026

measured
Seafloor depth
119 m
Sea-surface temperature
9.4°C
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
23 m – 119 m
Sea-surface temperature
9.4°C – 14.5°C
Distance from shore
1.0 km

Sources: GEBCO seafloor grid · NOAA OISST 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.