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Glacier Bay & Icy Strait

Angstrom – Residency

66th sighting in Glacier Bay & Icy Strait
Fluke of Angstrom
Angstrom Confirmed in the catalog @18226
Jun 1 – Sep 21, 2026 · Glacier Bay & Icy Strait

Home Water, June Light

Herring thick, days long, this strait knows my shape by heart.

335 m
Deepest dive
9:10
Longest dive
152
Dives
Sightings
11
Days between first and last sighting
111
Deepest dive on record
335 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 1, 2026122 m8.3°C66 m
Jun 5, 202642 m9.8°C31 m
Jun 12, 2026268 m10.0°C43 m
Jun 15, 2026188 m9.4°C59 m
Jun 16, 2026106 m9.5°C91 m
Jun 17, 2026397 m9.7°C335 m
Jun 18, 2026241 m9.5°C62 m
Jun 21, 2026556 m11.2°C189 m
Jun 22, 2026197 m11.4°C88 m
Jun 24, 2026172 m11.5°C90 m
Sep 21, 202683 m11.8°C57 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 122 m (measured), deepest dive 66 m (modelled)Jun 1Jun 5, 2026 — seafloor 42 m (measured), deepest dive 31 m (modelled)Jun 5Jun 12, 2026 — seafloor 268 m (measured), deepest dive 43 m (modelled)Jun 12Jun 15, 2026 — seafloor 188 m (measured), deepest dive 59 m (modelled)Jun 15Jun 16, 2026 — seafloor 106 m (measured), deepest dive 91 m (modelled)Jun 16Jun 17, 2026 — seafloor 397 m (measured), deepest dive 335 m (modelled)Jun 17Jun 18, 2026 — seafloor 241 m (measured), deepest dive 62 m (modelled)Jun 18Jun 21, 2026 — seafloor 556 m (measured), deepest dive 189 m (modelled)Jun 21Jun 22, 2026 — seafloor 197 m (measured), deepest dive 88 m (modelled)Jun 22Jun 24, 2026 — seafloor 172 m (measured), deepest dive 90 m (modelled)Jun 24Sep 21, 2026 — seafloor 83 m (measured), deepest dive 57 m (modelled)Sep 21

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

Dives

335 m
Deepest dive
9:10
Longest dive
152
Dives
25 m
Avg dive depth
11
Sightings
111
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0175350335 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (397 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 17, 2026

measured
Seafloor depth
397 m
Sea-surface temperature
9.7°C
Distance from shore
1.0 km

Across the residency · 11 sightings

measured
Seafloor depth
42 m – 556 m
Sea-surface temperature
8.3°C – 11.8°C
Distance from shore
1.0 km – 6.0 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 11 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.