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

Midnight – Residency

17th sighting in Chatham Strait
Fluke of Midnight
Midnight Confirmed in the catalog @26979
Jun 20 – Aug 3, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

200 m
Deepest dive
7:42
Longest dive
106
Dives
Sightings
8
Days between first and last sighting
44
Deepest dive on record
200 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 20, 202477 m—55 m
Jun 30, 2024334 m—200 m
Jul 4, 2024641 m—121 m
Jul 5, 202411 m—10 m
Jul 10, 202435 m—25 m
Aug 1, 2024106 m—35 m
Aug 3, 2024117 m—81 m
Aug 3, 2024165 m—74 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 20, 2024 — seafloor 77 m (measured), deepest dive 55 m (modelled)Jun 20Jun 30, 2024 — seafloor 334 m (measured), deepest dive 200 m (modelled)Jun 30Jul 4, 2024 — seafloor 641 m (measured), deepest dive 121 m (modelled)Jul 4Jul 5, 2024 — seafloor 11 m (measured), deepest dive 10 m (modelled)Jul 5Jul 10, 2024 — seafloor 35 m (measured), deepest dive 25 m (modelled)Jul 10Aug 1, 2024 — seafloor 106 m (measured), deepest dive 35 m (modelled)Aug 1Aug 3, 2024 — seafloor 117 m (measured), deepest dive 81 m (modelled)Aug 3Aug 3, 2024 — seafloor 165 m (measured), deepest dive 74 m (modelled)Aug 3

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

Dives

200 m
Deepest dive
7:42
Longest dive
106
Dives
25 m
Avg dive depth
8
Sightings
44
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200200 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (334 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, 2024

measured
Seafloor depth
334 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 8 sightings

measured
Seafloor depth
11 m – 641 m
Sea-surface temperature
—
Distance from shore
1.0 km – 6.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 8 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.