Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Glacier Bay & Icy Strait

SEAK-1817 – Residency

34th sighting in Glacier Bay & Icy Strait
Fluke of SEAK-1817
SEAK-1817 Confirmed in the catalog @23298
Apr 29 – Sep 1, 2026 · Glacier Bay & Icy Strait

Icy Strait, All Summer

Cold green water, loose crowd, plenty to eat — good stretch.

148 m
Deepest dive
5:12
Longest dive
150
Dives
Sightings
10
Days between first and last sighting
125

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 29, 202661 m6.3°C31 m
May 6, 202670 m7.1°C24 m
May 11, 202646 m7.7°C42 m
Jun 1, 202663 m8.2°C57 m
Jun 15, 2026197 m9.4°C148 m
Jun 21, 202680 m11.3°C70 m
Jul 23, 2026215 m13.4°C94 m
Jul 25, 2026309 m13.2°C55 m
Aug 31, 2026119 m14.2°C55 m
Sep 1, 2026155 m14.0°C64 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
Apr 29, 2026 — seafloor 61 m (measured), deepest dive 31 m (modelled)Apr 29May 6, 2026 — seafloor 70 m (measured), deepest dive 24 m (modelled)May 6May 11, 2026 — seafloor 46 m (measured), deepest dive 42 m (modelled)May 11Jun 1, 2026 — seafloor 63 m (measured), deepest dive 57 m (modelled)Jun 1Jun 15, 2026 — seafloor 197 m (measured), deepest dive 148 m (modelled)Jun 15Jun 21, 2026 — seafloor 80 m (measured), deepest dive 70 m (modelled)Jun 21Jul 23, 2026 — seafloor 215 m (measured), deepest dive 94 m (modelled)Jul 23Jul 25, 2026 — seafloor 309 m (measured), deepest dive 55 m (modelled)Jul 25Aug 31, 2026 — seafloor 119 m (measured), deepest dive 55 m (modelled)Aug 31Sep 1, 2026 — seafloor 155 m (measured), deepest dive 64 m (modelled)Sep 1

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

Dives

148 m
Deepest dive
5:12
Longest dive
150
Dives
22 m
Avg dive depth
10
Sightings
125
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150148 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (197 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 15, 2026

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

Across the residency · 10 sightings

measured
Seafloor depth
46 m – 309 m
Sea-surface temperature
6.3°C – 14.2°C
Distance from shore
1.0 km – 2.0 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 10 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.