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Lynn Canal & Stephens Passage

Bullseye – Residency

22nd sighting in Lynn Canal & Stephens Passage
Fluke of Bullseye
Bullseye Confirmed in the catalog @139411
May 2 – Aug 13, 2025 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · May – Aug 2025

116 m
Deepest dive
4:45
Longest dive
493
Dives
Sightings
42
Days between first and last sighting
103
Deepest dive on record
116 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 2, 202552 m6.9°C34 m
May 5, 202556 m6.8°C45 m
May 7, 202569 m7.5°C63 m
May 8, 2025107 m7.5°C78 m
May 9, 202589 m7.6°C73 m
May 17, 202597 m7.6°C87 m
May 19, 2025107 m7.5°C76 m
May 19, 2025113 m7.5°C54 m
May 19, 202596 m7.5°C13 m
May 20, 202598 m7.5°C52 m
May 21, 2025102 m7.7°C53 m
May 21, 2025116 m7.7°C97 m
May 23, 202596 m8.2°C72 m
May 23, 202584 m8.2°C60 m
May 25, 202567 m8.2°C55 m
May 28, 2025110 m8.1°C65 m
May 29, 2025102 m8.7°C84 m
May 29, 2025109 m8.7°C86 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 2, 2025 — seafloor 52 m (measured), deepest dive 34 m (modelled)May 2May 5, 2025 — seafloor 56 m (measured), deepest dive 45 m (modelled)May 7, 2025 — seafloor 69 m (measured), deepest dive 63 m (modelled)May 8, 2025 — seafloor 107 m (measured), deepest dive 78 m (modelled)May 9, 2025 — seafloor 89 m (measured), deepest dive 73 m (modelled)May 17, 2025 — seafloor 97 m (measured), deepest dive 87 m (modelled)May 19, 2025 — seafloor 107 m (measured), deepest dive 76 m (modelled)May 19, 2025 — seafloor 113 m (measured), deepest dive 54 m (modelled)May 19May 19, 2025 — seafloor 96 m (measured), deepest dive 13 m (modelled)May 20, 2025 — seafloor 98 m (measured), deepest dive 52 m (modelled)May 21, 2025 — seafloor 102 m (measured), deepest dive 53 m (modelled)May 21, 2025 — seafloor 116 m (measured), deepest dive 97 m (modelled)May 23, 2025 — seafloor 96 m (measured), deepest dive 72 m (modelled)May 23, 2025 — seafloor 84 m (measured), deepest dive 60 m (modelled)May 25, 2025 — seafloor 67 m (measured), deepest dive 55 m (modelled)May 25May 28, 2025 — seafloor 110 m (measured), deepest dive 65 m (modelled)May 29, 2025 — seafloor 102 m (measured), deepest dive 84 m (modelled)May 29, 2025 — seafloor 109 m (measured), deepest dive 86 m (modelled)May 30, 2025 — seafloor 81 m (measured), deepest dive 43 m (modelled)May 30, 2025 — seafloor 82 m (measured), deepest dive 75 m (modelled)May 31, 2025 — seafloor 113 m (measured), deepest dive 90 m (modelled)Jun 1, 2025 — seafloor 100 m (measured), deepest dive 83 m (modelled)Jun 1Jun 3, 2025 — seafloor 78 m (measured), deepest dive 67 m (modelled)Jun 5, 2025 — seafloor 116 m (measured), deepest dive 55 m (modelled)Jun 16, 2025 — seafloor 95 m (measured), deepest dive 51 m (modelled)Jun 17, 2025 — seafloor 141 m (measured), deepest dive 50 m (modelled)Jun 18, 2025 — seafloor 115 m (measured), deepest dive 51 m (modelled)Jun 20, 2025 — seafloor 64 m (measured), deepest dive 56 m (modelled)Jun 22, 2025 — seafloor 129 m (measured), deepest dive 86 m (modelled)Jun 22Jun 24, 2025 — seafloor 128 m (measured), deepest dive 62 m (modelled)Jul 13, 2025 — seafloor 110 m (measured), deepest dive 88 m (modelled)Jul 14, 2025 — seafloor 136 m (measured), deepest dive 109 m (modelled)Jul 15, 2025 — seafloor 64 m (measured), deepest dive 42 m (modelled)Jul 16, 2025 — seafloor 111 m (measured), deepest dive 62 m (modelled)Jul 17, 2025 — seafloor 49 m (measured), deepest dive 44 m (modelled)Jul 18, 2025 — seafloor 56 m (measured), deepest dive 51 m (modelled)Jul 18Jul 19, 2025 — seafloor 143 m (measured), deepest dive 55 m (modelled)Jul 22, 2025 — seafloor 91 m (measured), deepest dive 18 m (modelled)Jul 27, 2025 — seafloor 103 m (measured), deepest dive 78 m (modelled)Jul 29, 2025 — seafloor 105 m (measured), deepest dive 47 m (modelled)Aug 12, 2025 — seafloor 103 m (measured), deepest dive 87 m (modelled)Aug 13, 2025 — seafloor 128 m (measured), deepest dive 116 m (modelled)

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

Dives

116 m
Deepest dive
4:45
Longest dive
493
Dives
25 m
Avg dive depth
42
Sightings
103
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150116 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (128 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 13, 2025

measured
Seafloor depth
128 m
Sea-surface temperature
13.8°C
Distance from shore
1.0 km

Across the residency · 42 sightings

measured
Seafloor depth
49 m – 143 m
Sea-surface temperature
6.8°C – 15.0°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 42 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.