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Monterey Bay

Pinwheel – Residency

88th sighting in Monterey Bay
Fluke of Pinwheel
Pinwheel Confirmed in the catalog @82266
Apr 8 – Oct 20, 2025 · Monterey Bay

Monterey Bay · Apr – Oct 2025

213 m
Deepest dive
6:55
Longest dive
344
Dives
Sightings
25
Days between first and last sighting
195

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 8, 202576 m13.1°C67 m
Apr 18, 202584 m12.1°C77 m
Apr 24, 202576 m13.1°C42 m
May 11, 2025331 m13.8°C26 m
May 14, 2025254 m12.9°C213 m
May 29, 202552 m13.9°C41 m
Jun 24, 2025567 m12.7°C195 m
Jun 27, 202573 m12.9°C64 m
Jul 12, 2025106 m13.0°C83 m
Jul 16, 2025567 m15.2°C87 m
Jul 24, 202577 m16.2°C68 m
Sep 6, 2025567 m16.6°C31 m
Sep 11, 202564 m17.2°C27 m
Sep 16, 202558 m17.1°C37 m
Sep 30, 202582 m17.0°C50 m
Oct 2, 202576 m17.4°C54 m
Oct 3, 2025567 m17.1°C104 m
Oct 9, 2025238 m17.2°C120 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
Apr 8, 2025 — seafloor 76 m (measured), deepest dive 67 m (modelled)Apr 8Apr 18, 2025 — seafloor 84 m (measured), deepest dive 77 m (modelled)Apr 24, 2025 — seafloor 76 m (measured), deepest dive 42 m (modelled)May 11, 2025 — seafloor 331 m (measured), deepest dive 26 m (modelled)May 14, 2025 — seafloor 254 m (measured), deepest dive 213 m (modelled)May 29, 2025 — seafloor 52 m (measured), deepest dive 41 m (modelled)May 29Jun 24, 2025 — seafloor 567 m (measured), deepest dive 195 m (modelled)Jun 27, 2025 — seafloor 73 m (measured), deepest dive 64 m (modelled)Jul 12, 2025 — seafloor 106 m (measured), deepest dive 83 m (modelled)Jul 16, 2025 — seafloor 567 m (measured), deepest dive 87 m (modelled)Jul 24, 2025 — seafloor 77 m (measured), deepest dive 68 m (modelled)Jul 24Sep 6, 2025 — seafloor 567 m (measured), deepest dive 31 m (modelled)Sep 11, 2025 — seafloor 64 m (measured), deepest dive 27 m (modelled)Sep 16, 2025 — seafloor 58 m (measured), deepest dive 37 m (modelled)Sep 30, 2025 — seafloor 82 m (measured), deepest dive 50 m (modelled)Oct 2, 2025 — seafloor 76 m (measured), deepest dive 54 m (modelled)Oct 2Oct 3, 2025 — seafloor 567 m (measured), deepest dive 104 m (modelled)Oct 9, 2025 — seafloor 238 m (measured), deepest dive 120 m (modelled)Oct 12, 2025 — seafloor 254 m (measured), deepest dive 40 m (modelled)Oct 13, 2025 — seafloor 173 m (measured), deepest dive 69 m (modelled)Oct 15, 2025 — seafloor 254 m (measured), deepest dive 55 m (modelled)Oct 15Oct 15, 2025 — seafloor 230 m (measured), deepest dive 143 m (modelled)Oct 16, 2025 — seafloor 79 m (measured), deepest dive 48 m (modelled)Oct 20, 2025 — seafloor 33 m (measured), deepest dive 25 m (modelled)Oct 20, 2025 — seafloor 154 m (measured), deepest dive 75 m (modelled)

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

Dives

213 m
Deepest dive
6:55
Longest dive
344
Dives
25 m
Avg dive depth
25
Sightings
195
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250213 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (254 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 · May 14, 2025

measured
Seafloor depth
254 m
Sea-surface temperature
12.9°C
Distance from shore
4.0 km

Across the residency · 25 sightings

measured
Seafloor depth
33 m – 567 m
Sea-surface temperature
12.1°C – 17.4°C
Distance from shore
2.0 km – 16.0 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 25 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.