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Glacier Bay & Icy Strait

Arpeggio – Residency

164th sighting in Glacier Bay & Icy Strait
Fluke of Arpeggio
Arpeggio Confirmed in the catalog @4618
May 13 – Sep 8, 2025 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · May – Sep 2025

122 m
Deepest dive
6:03
Longest dive
406
Dives
Sightings
32
Days between first and last sighting
118

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 13, 202547 m7.7°C26 m
May 14, 2025133 m7.7°C96 m
May 15, 2025133 m7.5°C77 m
May 21, 202558 m8.0°C32 m
May 27, 2025139 m8.2°C100 m
May 27, 202582 m8.2°C56 m
Jun 9, 202582 m8.5°C24 m
Jun 16, 2025462 m10.1°C59 m
Jun 30, 2025134 m11.8°C101 m
Jul 2, 2025154 m11.8°C122 m
Jul 4, 202583 m12.6°C76 m
Jul 9, 202545 m12.9°C40 m
Jul 10, 2025133 m12.9°C49 m
Jul 12, 202551 m12.6°C37 m
Jul 13, 202550 m12.5°C43 m
Jul 15, 2025119 m12.8°C56 m
Jul 16, 202572 m12.4°C54 m
Jul 17, 202572 m12.4°C54 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 13, 2025 — seafloor 47 m (measured), deepest dive 26 m (modelled)May 13May 14, 2025 — seafloor 133 m (measured), deepest dive 96 m (modelled)May 15, 2025 — seafloor 133 m (measured), deepest dive 77 m (modelled)May 21, 2025 — seafloor 58 m (measured), deepest dive 32 m (modelled)May 27, 2025 — seafloor 139 m (measured), deepest dive 100 m (modelled)May 27, 2025 — seafloor 82 m (measured), deepest dive 56 m (modelled)Jun 9, 2025 — seafloor 82 m (measured), deepest dive 24 m (modelled)Jun 9Jun 16, 2025 — seafloor 462 m (measured), deepest dive 59 m (modelled)Jun 30, 2025 — seafloor 134 m (measured), deepest dive 101 m (modelled)Jul 2, 2025 — seafloor 154 m (measured), deepest dive 122 m (modelled)Jul 4, 2025 — seafloor 83 m (measured), deepest dive 76 m (modelled)Jul 9, 2025 — seafloor 45 m (measured), deepest dive 40 m (modelled)Jul 10, 2025 — seafloor 133 m (measured), deepest dive 49 m (modelled)Jul 10Jul 12, 2025 — seafloor 51 m (measured), deepest dive 37 m (modelled)Jul 13, 2025 — seafloor 50 m (measured), deepest dive 43 m (modelled)Jul 15, 2025 — seafloor 119 m (measured), deepest dive 56 m (modelled)Jul 16, 2025 — seafloor 72 m (measured), deepest dive 54 m (modelled)Jul 17, 2025 — seafloor 72 m (measured), deepest dive 54 m (modelled)Jul 19, 2025 — seafloor 59 m (measured), deepest dive 42 m (modelled)Jul 19Jul 24, 2025 — seafloor 139 m (measured), deepest dive 83 m (modelled)Aug 2, 2025 — seafloor 116 m (measured), deepest dive 56 m (modelled)Aug 8, 2025 — seafloor 75 m (measured), deepest dive 46 m (modelled)Aug 11, 2025 — seafloor 246 m (measured), deepest dive 49 m (modelled)Aug 12, 2025 — seafloor 103 m (measured), deepest dive 83 m (modelled)Aug 13, 2025 — seafloor 50 m (measured), deepest dive 27 m (modelled)Aug 13Aug 14, 2025 — seafloor 160 m (measured), deepest dive 79 m (modelled)Aug 17, 2025 — seafloor 139 m (measured), deepest dive 98 m (modelled)Aug 25, 2025 — seafloor 47 m (measured), deepest dive 36 m (modelled)Aug 26, 2025 — seafloor 133 m (measured), deepest dive 63 m (modelled)Aug 27, 2025 — seafloor 133 m (measured), deepest dive 38 m (modelled)Aug 28, 2025 — seafloor 56 m (measured), deepest dive 23 m (modelled)Aug 28Sep 8, 2025 — seafloor -17 m (measured), deepest dive — (modelled)

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

Dives

122 m
Deepest dive
6:03
Longest dive
406
Dives
24 m
Avg dive depth
32
Sightings
118
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150122 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (154 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 2, 2025

measured
Seafloor depth
154 m
Sea-surface temperature
11.8°C
Distance from shore
—

Across the residency · 32 sightings

measured
Seafloor depth
-17 m – 462 m
Sea-surface temperature
7.5°C – 15.5°C
Distance from shore
1.0 km – 3.0 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 32 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.