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Sitka Sound & Outer Baranof

Midnight Lily – Residency

26th sighting in Sitka Sound & Outer Baranof
Fluke of Midnight Lily
Midnight Lily Confirmed in the catalog @40018
Mar 22 – Oct 9, 2026 · Sitka Sound & Outer Baranof

Lingering in the Strait

Kept surfacing in the same cold water, again and again.

107 m
Deepest dive
3:06
Longest dive
162
Dives
Sightings
13
Days between first and last sighting
201
Deepest dive on record
107 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 22, 202693 m5.0°C59 m
May 8, 202650 m7.8°C26 m
May 24, 202614 m8.2°C12 m
Jun 4, 202678 m10.6°C65 m
Jun 7, 202667 m10.2°C34 m
Jun 18, 202641 m10.2°C34 m
Jun 19, 202647 m9.9°C33 m
Jun 30, 2026126 m11.9°C107 m
Aug 26, 2026143 m14.5°C72 m
Aug 30, 2026136 m14.4°C59 m
Sep 4, 2026100 m14.2°C77 m
Sep 6, 202652 m14.0°C47 m
Oct 9, 2026117 m—50 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
Mar 22, 2026 — seafloor 93 m (measured), deepest dive 59 m (modelled)Mar 22May 8, 2026 — seafloor 50 m (measured), deepest dive 26 m (modelled)May 24, 2026 — seafloor 14 m (measured), deepest dive 12 m (modelled)Jun 4, 2026 — seafloor 78 m (measured), deepest dive 65 m (modelled)Jun 4Jun 7, 2026 — seafloor 67 m (measured), deepest dive 34 m (modelled)Jun 18, 2026 — seafloor 41 m (measured), deepest dive 34 m (modelled)Jun 19, 2026 — seafloor 47 m (measured), deepest dive 33 m (modelled)Jun 19Jun 30, 2026 — seafloor 126 m (measured), deepest dive 107 m (modelled)Aug 26, 2026 — seafloor 143 m (measured), deepest dive 72 m (modelled)Aug 30, 2026 — seafloor 136 m (measured), deepest dive 59 m (modelled)Aug 30Sep 4, 2026 — seafloor 100 m (measured), deepest dive 77 m (modelled)Sep 6, 2026 — seafloor 52 m (measured), deepest dive 47 m (modelled)Oct 9, 2026 — seafloor 117 m (measured), deepest dive 50 m (modelled)Oct 9

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

Dives

107 m
Deepest dive
3:06
Longest dive
162
Dives
21 m
Avg dive depth
13
Sightings
201
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150107 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (126 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 · Jun 30, 2026

measured
Seafloor depth
126 m
Sea-surface temperature
11.9°C
Distance from shore
7.0 km

Across the residency · 13 sightings

measured
Seafloor depth
14 m – 143 m
Sea-surface temperature
5.0°C – 14.5°C
Distance from shore
1.0 km – 7.0 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 13 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.