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Glacier Bay & Icy Strait

Rasta – Residency

125th sighting in Glacier Bay & Icy Strait
Fluke of Rasta
Rasta Confirmed in the catalog @6451
May 23 – Sep 1, 2026 · Glacier Bay & Icy Strait

A Season of Green Water

Cold shallows, full belly, thirty summers of this exact hunger.

350 m
Deepest dive
12:30
Longest dive
376
Dives
Sightings
37
Days between first and last sighting
100
Deepest dive on record
350 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 23, 202654 m7.7°C48 m
May 31, 20263 m8.4°C3 m
Jun 1, 2026122 m8.3°C83 m
Jun 2, 2026136 m8.2°C23 m
Jun 5, 202642 m9.8°C31 m
Jun 12, 2026146 m10.0°C49 m
Jun 15, 2026158 m9.4°C129 m
Jun 16, 202699 m9.5°C47 m
Jun 17, 2026398 m9.7°C107 m
Jun 18, 202684 m9.6°C35 m
Jun 21, 2026556 m11.2°C58 m
Jun 22, 2026197 m11.4°C55 m
Jun 24, 2026172 m11.5°C38 m
Jul 12, 2026133 m12.7°C68 m
Jul 20, 2026115 m13.0°C102 m
Jul 22, 2026436 m13.2°C350 m
Jul 23, 2026215 m13.4°C129 m
Jul 25, 2026309 m13.2°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 23, 2026 — seafloor 54 m (measured), deepest dive 48 m (modelled)May 23May 31, 2026 — seafloor 3 m (measured), deepest dive 3 m (modelled)Jun 1, 2026 — seafloor 122 m (measured), deepest dive 83 m (modelled)Jun 2, 2026 — seafloor 136 m (measured), deepest dive 23 m (modelled)Jun 5, 2026 — seafloor 42 m (measured), deepest dive 31 m (modelled)Jun 12, 2026 — seafloor 146 m (measured), deepest dive 49 m (modelled)Jun 15, 2026 — seafloor 158 m (measured), deepest dive 129 m (modelled)Jun 16, 2026 — seafloor 99 m (measured), deepest dive 47 m (modelled)Jun 16Jun 17, 2026 — seafloor 398 m (measured), deepest dive 107 m (modelled)Jun 18, 2026 — seafloor 84 m (measured), deepest dive 35 m (modelled)Jun 21, 2026 — seafloor 556 m (measured), deepest dive 58 m (modelled)Jun 22, 2026 — seafloor 197 m (measured), deepest dive 55 m (modelled)Jun 24, 2026 — seafloor 172 m (measured), deepest dive 38 m (modelled)Jul 12, 2026 — seafloor 133 m (measured), deepest dive 68 m (modelled)Jul 20, 2026 — seafloor 115 m (measured), deepest dive 102 m (modelled)Jul 20Jul 22, 2026 — seafloor 436 m (measured), deepest dive 350 m (modelled)Jul 23, 2026 — seafloor 215 m (measured), deepest dive 129 m (modelled)Jul 25, 2026 — seafloor 309 m (measured), deepest dive 76 m (modelled)Jul 29, 2026 — seafloor 133 m (measured), deepest dive 53 m (modelled)Jul 30, 2026 — seafloor 44 m (measured), deepest dive 39 m (modelled)Aug 9, 2026 — seafloor 87 m (measured), deepest dive 31 m (modelled)Aug 10, 2026 — seafloor 122 m (measured), deepest dive 41 m (modelled)Aug 10Aug 11, 2026 — seafloor 88 m (measured), deepest dive 40 m (modelled)Aug 12, 2026 — seafloor 91 m (measured), deepest dive 79 m (modelled)Aug 13, 2026 — seafloor 84 m (measured), deepest dive 45 m (modelled)Aug 14, 2026 — seafloor 98 m (measured), deepest dive 51 m (modelled)Aug 15, 2026 — seafloor 83 m (measured), deepest dive 47 m (modelled)Aug 16, 2026 — seafloor 92 m (measured), deepest dive 51 m (modelled)Aug 17, 2026 — seafloor 108 m (measured), deepest dive 69 m (modelled)Aug 17Aug 18, 2026 — seafloor 121 m (measured), deepest dive 48 m (modelled)Aug 19, 2026 — seafloor 150 m (measured), deepest dive 31 m (modelled)Aug 20, 2026 — seafloor 81 m (measured), deepest dive 71 m (modelled)Aug 21, 2026 — seafloor 50 m (measured), deepest dive 37 m (modelled)Aug 29, 2026 — seafloor 54 m (measured), deepest dive 39 m (modelled)Aug 30, 2026 — seafloor 61 m (measured), deepest dive 56 m (modelled)Aug 31, 2026 — seafloor 53 m (measured), deepest dive 46 m (modelled)Aug 31Sep 1, 2026 — seafloor 139 m (measured), deepest dive 66 m (modelled)

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

Dives

350 m
Deepest dive
12:30
Longest dive
376
Dives
23 m
Avg dive depth
37
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
0175350350 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (436 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 22, 2026

measured
Seafloor depth
436 m
Sea-surface temperature
13.2°C
Distance from shore
1.0 km

Across the residency · 37 sightings

measured
Seafloor depth
3 m – 556 m
Sea-surface temperature
7.7°C – 15.7°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 37 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.