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

Spirit Guide – Residency

10th sighting in Chatham Strait
Fluke of Spirit Guide
Spirit Guide Confirmed in the catalog @6437
May 5 – Oct 6, 2025 · Chatham Strait

Chatham Strait · May – Oct 2025

125 m
Deepest dive
4:46
Longest dive
55
Dives
Sightings
6
Days between first and last sighting
154

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 5, 202517 m7.1°C15 m
May 16, 202511 m7.5°C9 m
Jun 12, 2025224 m9.1°C125 m
Jul 10, 2025179 m12.7°C60 m
Sep 28, 202551 m12.3°C32 m
Oct 6, 2025166 m11.4°C59 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 5, 2025 — seafloor 17 m (measured), deepest dive 15 m (modelled)May 5May 16, 2025 — seafloor 11 m (measured), deepest dive 9 m (modelled)May 16Jun 12, 2025 — seafloor 224 m (measured), deepest dive 125 m (modelled)Jun 12Jul 10, 2025 — seafloor 179 m (measured), deepest dive 60 m (modelled)Jul 10Sep 28, 2025 — seafloor 51 m (measured), deepest dive 32 m (modelled)Sep 28Oct 6, 2025 — seafloor 166 m (measured), deepest dive 59 m (modelled)Oct 6

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

Dives

125 m
Deepest dive
4:46
Longest dive
55
Dives
21 m
Avg dive depth
6
Sightings
154
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150125 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (224 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 12, 2025

measured
Seafloor depth
224 m
Sea-surface temperature
9.1°C
Distance from shore
9.0 km

Across the residency · 6 sightings

measured
Seafloor depth
11 m – 224 m
Sea-surface temperature
7.1°C – 12.7°C
Distance from shore
1.0 km – 9.0 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 6 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.