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

Glacier – Residency

8th sighting in Chatham Strait
Fluke of Glacier
Glacier Confirmed in the catalog @24675
Jun 21 – Jul 25, 2025 · Chatham Strait

Chatham Strait · Jun – Jul 2025

115 m
Deepest dive
4:06
Longest dive
56
Dives
Sightings
5
Days between first and last sighting
33

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 21, 202527 m—22 m
Jul 21, 202515 m—13 m
Jul 24, 202598 m—25 m
Jul 24, 2025157 m—115 m
Jul 25, 202547 m—43 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 21, 2025 — seafloor 27 m (measured), deepest dive 22 m (modelled)Jun 21Jul 21, 2025 — seafloor 15 m (measured), deepest dive 13 m (modelled)Jul 21Jul 24, 2025 — seafloor 98 m (measured), deepest dive 25 m (modelled)Jul 24Jul 24, 2025 — seafloor 157 m (measured), deepest dive 115 m (modelled)Jul 24Jul 25, 2025 — seafloor 47 m (measured), deepest dive 43 m (modelled)Jul 25

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

Dives

115 m
Deepest dive
4:06
Longest dive
56
Dives
17 m
Avg dive depth
5
Sightings
33
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150115 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (157 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 24, 2025

measured
Seafloor depth
157 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 5 sightings

measured
Seafloor depth
15 m – 157 m
Sea-surface temperature
—
Distance from shore
3.0 km – 5.0 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 5 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.