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Glacier Bay & Icy Strait

Rasta – Residency

97th sighting in Glacier Bay & Icy Strait
Fluke of Rasta
Rasta Confirmed in the catalog @6451
May 19 – Aug 27, 2025 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · May – Aug 2025

93 m
Deepest dive
3:42
Longest dive
194
Dives
Sightings
17
Days between first and last sighting
100

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 19, 202596 m7.7°C60 m
Jun 15, 2025507 m10.0°C86 m
Jun 21, 202576 m11.4°C63 m
Jun 23, 2025185 m11.6°C26 m
Jun 24, 202556 m11.5°C48 m
Jun 30, 2025127 m11.8°C91 m
Jul 2, 2025105 m11.8°C36 m
Jul 14, 202550 m12.6°C39 m
Jul 16, 202598 m12.4°C81 m
Jul 17, 202572 m12.4°C63 m
Jul 24, 2025139 m14.0°C88 m
Aug 2, 2025678 m15.1°C45 m
Aug 12, 2025128 m13.8°C80 m
Aug 18, 202511 m14.1°C10 m
Aug 19, 2025103 m14.2°C93 m
Aug 26, 2025133 m15.1°C47 m
Aug 27, 2025133 m15.5°C76 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 19, 2025 — seafloor 96 m (measured), deepest dive 60 m (modelled)May 19Jun 15, 2025 — seafloor 507 m (measured), deepest dive 86 m (modelled)Jun 21, 2025 — seafloor 76 m (measured), deepest dive 63 m (modelled)Jun 23, 2025 — seafloor 185 m (measured), deepest dive 26 m (modelled)Jun 23Jun 24, 2025 — seafloor 56 m (measured), deepest dive 48 m (modelled)Jun 30, 2025 — seafloor 127 m (measured), deepest dive 91 m (modelled)Jul 2, 2025 — seafloor 105 m (measured), deepest dive 36 m (modelled)Jul 2Jul 14, 2025 — seafloor 50 m (measured), deepest dive 39 m (modelled)Jul 16, 2025 — seafloor 98 m (measured), deepest dive 81 m (modelled)Jul 17, 2025 — seafloor 72 m (measured), deepest dive 63 m (modelled)Jul 17Jul 24, 2025 — seafloor 139 m (measured), deepest dive 88 m (modelled)Aug 2, 2025 — seafloor 678 m (measured), deepest dive 45 m (modelled)Aug 12, 2025 — seafloor 128 m (measured), deepest dive 80 m (modelled)Aug 12Aug 18, 2025 — seafloor 11 m (measured), deepest dive 10 m (modelled)Aug 19, 2025 — seafloor 103 m (measured), deepest dive 93 m (modelled)Aug 26, 2025 — seafloor 133 m (measured), deepest dive 47 m (modelled)Aug 26Aug 27, 2025 — seafloor 133 m (measured), deepest dive 76 m (modelled)

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

Dives

93 m
Deepest dive
3:42
Longest dive
194
Dives
24 m
Avg dive depth
17
Sightings
100
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010093 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (103 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 · Aug 19, 2025

measured
Seafloor depth
103 m
Sea-surface temperature
14.2°C
Distance from shore
—

Across the residency · 17 sightings

measured
Seafloor depth
11 m – 678 m
Sea-surface temperature
7.7°C – 15.5°C
Distance from shore
1.0 km – 4.0 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 17 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.