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Glacier Bay & Icy Strait

Helix – Residency

79th sighting in Glacier Bay & Icy Strait
Fluke of Helix
Helix Confirmed in the catalog @83824
May 24 – Sep 26, 2025 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · May – Sep 2025

98 m
Deepest dive
3:36
Longest dive
556
Dives
Sightings
41
Days between first and last sighting
125

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 24, 202582 m8.3°C69 m
Jun 5, 2025111 m9.0°C58 m
Jun 10, 2025105 m8.5°C93 m
Jun 12, 2025104 m8.8°C94 m
Jun 13, 2025115 m9.9°C67 m
Jun 17, 2025150 m10.2°C46 m
Jun 22, 202572 m11.5°C39 m
Jun 23, 2025110 m11.6°C32 m
Jun 25, 2025110 m10.6°C92 m
Jun 28, 202558 m12.0°C49 m
Jul 2, 202557 m11.8°C29 m
Jul 5, 202592 m11.9°C57 m
Jul 6, 2025103 m12.8°C56 m
Jul 7, 202589 m13.0°C76 m
Jul 8, 202592 m12.7°C74 m
Jul 16, 202591 m12.4°C28 m
Jul 17, 2025104 m12.4°C61 m
Jul 23, 2025143 m14.4°C98 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 24, 2025 — seafloor 82 m (measured), deepest dive 69 m (modelled)May 24Jun 5, 2025 — seafloor 111 m (measured), deepest dive 58 m (modelled)Jun 10, 2025 — seafloor 105 m (measured), deepest dive 93 m (modelled)Jun 12, 2025 — seafloor 104 m (measured), deepest dive 94 m (modelled)Jun 13, 2025 — seafloor 115 m (measured), deepest dive 67 m (modelled)Jun 17, 2025 — seafloor 150 m (measured), deepest dive 46 m (modelled)Jun 22, 2025 — seafloor 72 m (measured), deepest dive 39 m (modelled)Jun 23, 2025 — seafloor 110 m (measured), deepest dive 32 m (modelled)Jun 23Jun 25, 2025 — seafloor 110 m (measured), deepest dive 92 m (modelled)Jun 28, 2025 — seafloor 58 m (measured), deepest dive 49 m (modelled)Jul 2, 2025 — seafloor 57 m (measured), deepest dive 29 m (modelled)Jul 5, 2025 — seafloor 92 m (measured), deepest dive 57 m (modelled)Jul 6, 2025 — seafloor 103 m (measured), deepest dive 56 m (modelled)Jul 7, 2025 — seafloor 89 m (measured), deepest dive 76 m (modelled)Jul 8, 2025 — seafloor 92 m (measured), deepest dive 74 m (modelled)Jul 8Jul 16, 2025 — seafloor 91 m (measured), deepest dive 28 m (modelled)Jul 17, 2025 — seafloor 104 m (measured), deepest dive 61 m (modelled)Jul 23, 2025 — seafloor 143 m (measured), deepest dive 98 m (modelled)Jul 25, 2025 — seafloor 74 m (measured), deepest dive 58 m (modelled)Jul 31, 2025 — seafloor 84 m (measured), deepest dive 72 m (modelled)Aug 1, 2025 — seafloor 122 m (measured), deepest dive 48 m (modelled)Aug 7, 2025 — seafloor 95 m (measured), deepest dive 53 m (modelled)Aug 7Aug 8, 2025 — seafloor 67 m (measured), deepest dive 59 m (modelled)Aug 14, 2025 — seafloor 83 m (measured), deepest dive 71 m (modelled)Aug 16, 2025 — seafloor 93 m (measured), deepest dive 52 m (modelled)Aug 17, 2025 — seafloor 104 m (measured), deepest dive 87 m (modelled)Aug 18, 2025 — seafloor 85 m (measured), deepest dive 72 m (modelled)Aug 21, 2025 — seafloor 89 m (measured), deepest dive 77 m (modelled)Aug 24, 2025 — seafloor 96 m (measured), deepest dive 52 m (modelled)Aug 24Aug 27, 2025 — seafloor 36 m (measured), deepest dive 29 m (modelled)Aug 29, 2025 — seafloor 116 m (measured), deepest dive 77 m (modelled)Aug 30, 2025 — seafloor 329 m (measured), deepest dive 77 m (modelled)Sep 3, 2025 — seafloor 90 m (measured), deepest dive 26 m (modelled)Sep 9, 2025 — seafloor 31 m (measured), deepest dive 24 m (modelled)Sep 11, 2025 — seafloor 59 m (measured), deepest dive 47 m (modelled)Sep 13, 2025 — seafloor 48 m (measured), deepest dive 32 m (modelled)Sep 13Sep 15, 2025 — seafloor 99 m (measured), deepest dive 29 m (modelled)Sep 20, 2025 — seafloor 48 m (measured), deepest dive 19 m (modelled)Sep 23, 2025 — seafloor 102 m (measured), deepest dive 71 m (modelled)Sep 25, 2025 — seafloor 94 m (measured), deepest dive 65 m (modelled)Sep 26, 2025 — seafloor 94 m (measured), deepest dive 47 m (modelled)

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

Dives

98 m
Deepest dive
3:36
Longest dive
556
Dives
24 m
Avg dive depth
41
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
05010098 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (143 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 23, 2025

measured
Seafloor depth
143 m
Sea-surface temperature
14.4°C
Distance from shore
1.0 km

Across the residency · 41 sightings

measured
Seafloor depth
31 m – 329 m
Sea-surface temperature
8.3°C – 15.4°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 41 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.