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

SEAK-2352 – Residency

15th sighting in Chatham Strait
Fluke of SEAK-2352
SEAK-2352 Confirmed in the catalog @13204
Jun 12 – Sep 6, 2026 · Chatham Strait

Chatham Strait, All Summer

Camera found me a handful of times — every breath worth catching.

180 m
Deepest dive
4:51
Longest dive
28
Dives
Sightings
4
Days between first and last sighting
86

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 12, 2026343 m9.7°C180 m
Jul 18, 2026333 m13.0°C38 m
Jul 20, 2026330 m12.9°C38 m
Sep 6, 202637 m12.9°C24 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
Jun 12, 2026 — seafloor 343 m (measured), deepest dive 180 m (modelled)Jun 12Jul 18, 2026 — seafloor 333 m (measured), deepest dive 38 m (modelled)Jul 18Jul 20, 2026 — seafloor 330 m (measured), deepest dive 38 m (modelled)Jul 20Sep 6, 2026 — seafloor 37 m (measured), deepest dive 24 m (modelled)Sep 6

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

Dives

180 m
Deepest dive
4:51
Longest dive
28
Dives
30 m
Avg dive depth
4
Sightings
86
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200180 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (343 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.

Unlock with Risa Deep

Place

Where this happened · Jun 12, 2026

measured
Seafloor depth
343 m
Sea-surface temperature
9.7°C
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
37 m – 343 m
Sea-surface temperature
9.7°C – 13.0°C
Distance from shore
1.0 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.