Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Snow – Residency

6th sighting in Chatham Strait
Fluke of Snow
Snow Confirmed in the catalog @15015
Jul 16 – Aug 3, 2024 · Chatham Strait

Chatham Strait · Jul – Aug 2024

36 m
Deepest dive
1:44
Longest dive
21
Dives
Sightings
3
Days between first and last sighting
18

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 16, 202431 m11.2°C23 m
Jul 26, 202454 m9.9°C36 m
Aug 3, 202450 m12.5°C35 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
Jul 16, 2024 — seafloor 31 m (measured), deepest dive 23 m (modelled)Jul 16Jul 26, 2024 — seafloor 54 m (measured), deepest dive 36 m (modelled)Jul 26Aug 3, 2024 — seafloor 50 m (measured), deepest dive 35 m (modelled)Aug 3

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

Dives

36 m
Deepest dive
1:44
Longest dive
21
Dives
15 m
Avg dive depth
3
Sightings
18
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255036 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (54 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 26, 2024

measured
Seafloor depth
54 m
Sea-surface temperature
9.9°C
Distance from shore
2.0 km

Across the residency · 3 sightings

measured
Seafloor depth
31 m – 54 m
Sea-surface temperature
9.9°C – 12.5°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 3 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.