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Lynn Canal & Stephens Passage

Tucker – Residency

153rd sighting in Lynn Canal & Stephens Passage
Fluke of Tucker
Tucker Confirmed in the catalog @18249
May 6 – Sep 28, 2026 · Lynn Canal & Stephens Passage

The Rooms Fill In

Whole summer in these channels, krill running thick, boats catching me mid-tuck.

113 m
Deepest dive
4:34
Longest dive
513
Dives
Sightings
47
Days between first and last sighting
144

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 6, 202647 m7.0°C41 m
May 8, 202677 m7.4°C25 m
May 12, 202649 m7.6°C44 m
May 16, 202639 m7.6°C36 m
May 17, 202690 m7.5°C50 m
May 18, 202688 m7.6°C60 m
May 19, 202677 m8.0°C26 m
May 22, 202682 m7.8°C23 m
May 24, 2026102 m7.8°C70 m
May 28, 202695 m8.2°C62 m
May 30, 202689 m8.1°C52 m
May 31, 202649 m8.2°C45 m
Jun 1, 202665 m8.1°C39 m
Jun 3, 202659 m8.1°C51 m
Jun 22, 202670 m11.4°C44 m
Jun 29, 202694 m11.7°C78 m
Jun 30, 202693 m11.7°C68 m
Jul 1, 2026123 m11.2°C113 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 6, 2026 — seafloor 47 m (measured), deepest dive 41 m (modelled)May 6May 8, 2026 — seafloor 77 m (measured), deepest dive 25 m (modelled)May 12, 2026 — seafloor 49 m (measured), deepest dive 44 m (modelled)May 16, 2026 — seafloor 39 m (measured), deepest dive 36 m (modelled)May 17, 2026 — seafloor 90 m (measured), deepest dive 50 m (modelled)May 18, 2026 — seafloor 88 m (measured), deepest dive 60 m (modelled)May 19, 2026 — seafloor 77 m (measured), deepest dive 26 m (modelled)May 22, 2026 — seafloor 82 m (measured), deepest dive 23 m (modelled)May 24, 2026 — seafloor 102 m (measured), deepest dive 70 m (modelled)May 24May 28, 2026 — seafloor 95 m (measured), deepest dive 62 m (modelled)May 30, 2026 — seafloor 89 m (measured), deepest dive 52 m (modelled)May 31, 2026 — seafloor 49 m (measured), deepest dive 45 m (modelled)Jun 1, 2026 — seafloor 65 m (measured), deepest dive 39 m (modelled)Jun 3, 2026 — seafloor 59 m (measured), deepest dive 51 m (modelled)Jun 22, 2026 — seafloor 70 m (measured), deepest dive 44 m (modelled)Jun 29, 2026 — seafloor 94 m (measured), deepest dive 78 m (modelled)Jun 30, 2026 — seafloor 93 m (measured), deepest dive 68 m (modelled)Jun 30Jul 1, 2026 — seafloor 123 m (measured), deepest dive 113 m (modelled)Jul 2, 2026 — seafloor 111 m (measured), deepest dive 77 m (modelled)Jul 3, 2026 — seafloor 84 m (measured), deepest dive 29 m (modelled)Jul 4, 2026 — seafloor 94 m (measured), deepest dive 66 m (modelled)Jul 9, 2026 — seafloor 101 m (measured), deepest dive 91 m (modelled)Jul 16, 2026 — seafloor 88 m (measured), deepest dive 26 m (modelled)Jul 18, 2026 — seafloor 66 m (measured), deepest dive 33 m (modelled)Jul 19, 2026 — seafloor 105 m (measured), deepest dive 55 m (modelled)Jul 19Jul 20, 2026 — seafloor 129 m (measured), deepest dive 49 m (modelled)Jul 21, 2026 — seafloor 54 m (measured), deepest dive 41 m (modelled)Jul 23, 2026 — seafloor 70 m (measured), deepest dive 9 m (modelled)Jul 24, 2026 — seafloor 103 m (measured), deepest dive 30 m (modelled)Aug 2, 2026 — seafloor 88 m (measured), deepest dive 49 m (modelled)Aug 3, 2026 — seafloor 107 m (measured), deepest dive 32 m (modelled)Aug 4, 2026 — seafloor 120 m (measured), deepest dive 34 m (modelled)Aug 8, 2026 — seafloor 73 m (measured), deepest dive 30 m (modelled)Aug 8Aug 11, 2026 — seafloor 106 m (measured), deepest dive 68 m (modelled)Aug 14, 2026 — seafloor 111 m (measured), deepest dive 42 m (modelled)Aug 15, 2026 — seafloor 99 m (measured), deepest dive 74 m (modelled)Aug 18, 2026 — seafloor 111 m (measured), deepest dive 88 m (modelled)Aug 23, 2026 — seafloor 80 m (measured), deepest dive 64 m (modelled)Aug 29, 2026 — seafloor 99 m (measured), deepest dive 47 m (modelled)Aug 30, 2026 — seafloor 91 m (measured), deepest dive 64 m (modelled)Aug 31, 2026 — seafloor 101 m (measured), deepest dive 72 m (modelled)Aug 31Sep 1, 2026 — seafloor 88 m (measured), deepest dive 61 m (modelled)Sep 9, 2026 — seafloor 63 m (measured), deepest dive 41 m (modelled)Sep 10, 2026 — seafloor 103 m (measured), deepest dive 78 m (modelled)Sep 18, 2026 — seafloor 62 m (measured), deepest dive 41 m (modelled)Sep 22, 2026 — seafloor 77 m (measured), deepest dive 48 m (modelled)Sep 28, 2026 — seafloor 76 m (measured), deepest dive 45 m (modelled)

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

Dives

113 m
Deepest dive
4:34
Longest dive
513
Dives
22 m
Avg dive depth
47
Sightings
144
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150113 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (123 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 1, 2026

measured
Seafloor depth
123 m
Sea-surface temperature
11.2°C
Distance from shore
1.0 km

Across the residency · 47 sightings

measured
Seafloor depth
39 m – 129 m
Sea-surface temperature
7.0°C – 15.6°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 47 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.