Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

Fizz – Residency

3rd sighting in Lynn Canal & Stephens Passage
Fluke of Fizz
Fizz Confirmed in the catalog @34694
May 20 – 24, 2026 · Lynn Canal & Stephens Passage

Chatham Strait, May Green

Cold water, close shoreline, breathing right along with me all month.

170 m
Deepest dive
4:56
Longest dive
55
Dives
Sightings
4
Days between first and last sighting
4
Deepest dive on record
170 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 20, 2026342 m8.2°C170 m
May 21, 202691 m7.8°C67 m
May 22, 202684 m7.8°C71 m
May 24, 202662 m7.8°C54 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 20, 2026 — seafloor 342 m (measured), deepest dive 170 m (modelled)May 20May 21, 2026 — seafloor 91 m (measured), deepest dive 67 m (modelled)May 21May 22, 2026 — seafloor 84 m (measured), deepest dive 71 m (modelled)May 22May 24, 2026 — seafloor 62 m (measured), deepest dive 54 m (modelled)May 24

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

Dives

170 m
Deepest dive
4:56
Longest dive
55
Dives
27 m
Avg dive depth
4
Sightings
4
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200170 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (342 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 · May 20, 2026

measured
Seafloor depth
342 m
Sea-surface temperature
8.2°C
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
62 m – 342 m
Sea-surface temperature
7.8°C – 8.2°C
Distance from shore
2.0 km – 5.0 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 4 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.