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

Chin Up – Residency

69th sighting in Monterey Bay
Fluke of Chin Up
Chin Up Confirmed in the catalog @2547
May 23 – Jul 24, 2026 · Monterey Bay

Cold Water, Full Table

Early summer, bay's turning over good, and the whole crowd shows up to eat.

124 m
Deepest dive
5:09
Longest dive
40
Dives
Sightings
3
Days between first and last sighting
61

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 23, 202632 m13.1°C27 m
Jul 5, 202635 m16.4°C30 m
Jul 24, 2026197 m17.1°C124 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 23, 2026 — seafloor 32 m (measured), deepest dive 27 m (modelled)May 23Jul 5, 2026 — seafloor 35 m (measured), deepest dive 30 m (modelled)Jul 5Jul 24, 2026 — seafloor 197 m (measured), deepest dive 124 m (modelled)Jul 24

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

Dives

124 m
Deepest dive
5:09
Longest dive
40
Dives
18 m
Avg dive depth
3
Sightings
61
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150124 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (197 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 24, 2026

measured
Seafloor depth
197 m
Sea-surface temperature
17.1°C
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
32 m – 197 m
Sea-surface temperature
13.1°C – 17.1°C
Distance from shore
2.0 km – 8.0 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.