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Monterey Bay

Pinwheel – Residency

58th sighting in Monterey Bay
Fluke of Pinwheel
Pinwheel Confirmed in the catalog @82266
Apr 4 – Nov 17, 2023 · Monterey Bay

Monterey Bay · Apr – Nov 2023

171 m
Deepest dive
6:04
Longest dive
397
Dives
Sightings
30
Days between first and last sighting
227

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 4, 2023247 m11.9°C83 m
Apr 6, 2023438 m11.0°C154 m
Apr 7, 202386 m11.3°C59 m
Apr 8, 202386 m11.5°C66 m
Apr 9, 2023120 m13.0°C82 m
Apr 9, 202396 m12.9°C64 m
Apr 15, 202393 m11.0°C72 m
May 12, 202375 m13.3°C49 m
May 13, 202353 m13.2°C46 m
May 28, 202352 m13.2°C42 m
Jun 4, 202374 m13.6°C57 m
Jul 20, 202361 m16.1°C42 m
Aug 3, 202359 m13.8°C43 m
Aug 18, 202398 m17.4°C74 m
Aug 20, 202380 m17.6°C65 m
Aug 21, 2023307 m17.6°C171 m
Aug 27, 2023142 m17.8°C61 m
Aug 30, 202386 m18.4°C53 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 4, 2023 — seafloor 247 m (measured), deepest dive 83 m (modelled)Apr 4Apr 6, 2023 — seafloor 438 m (measured), deepest dive 154 m (modelled)Apr 7, 2023 — seafloor 86 m (measured), deepest dive 59 m (modelled)Apr 8, 2023 — seafloor 86 m (measured), deepest dive 66 m (modelled)Apr 9, 2023 — seafloor 120 m (measured), deepest dive 82 m (modelled)Apr 9, 2023 — seafloor 96 m (measured), deepest dive 64 m (modelled)Apr 9Apr 15, 2023 — seafloor 93 m (measured), deepest dive 72 m (modelled)May 12, 2023 — seafloor 75 m (measured), deepest dive 49 m (modelled)May 13, 2023 — seafloor 53 m (measured), deepest dive 46 m (modelled)May 28, 2023 — seafloor 52 m (measured), deepest dive 42 m (modelled)Jun 4, 2023 — seafloor 74 m (measured), deepest dive 57 m (modelled)Jun 4Jul 20, 2023 — seafloor 61 m (measured), deepest dive 42 m (modelled)Aug 3, 2023 — seafloor 59 m (measured), deepest dive 43 m (modelled)Aug 18, 2023 — seafloor 98 m (measured), deepest dive 74 m (modelled)Aug 20, 2023 — seafloor 80 m (measured), deepest dive 65 m (modelled)Aug 21, 2023 — seafloor 307 m (measured), deepest dive 171 m (modelled)Aug 21Aug 27, 2023 — seafloor 142 m (measured), deepest dive 61 m (modelled)Aug 30, 2023 — seafloor 86 m (measured), deepest dive 53 m (modelled)Aug 30, 2023 — seafloor 27 m (measured), deepest dive 20 m (modelled)Sep 6, 2023 — seafloor 92 m (measured), deepest dive 47 m (modelled)Sep 18, 2023 — seafloor 65 m (measured), deepest dive 47 m (modelled)Sep 18Sep 23, 2023 — seafloor 117 m (measured), deepest dive 62 m (modelled)Sep 27, 2023 — seafloor 126 m (measured), deepest dive 111 m (modelled)Oct 13, 2023 — seafloor 53 m (measured), deepest dive 29 m (modelled)Oct 14, 2023 — seafloor 567 m (measured), deepest dive 75 m (modelled)Oct 16, 2023 — seafloor 37 m (measured), deepest dive 28 m (modelled)Oct 16Oct 21, 2023 — seafloor 145 m (measured), deepest dive 60 m (modelled)Oct 31, 2023 — seafloor 113 m (measured), deepest dive 57 m (modelled)Nov 1, 2023 — seafloor 238 m (measured), deepest dive 134 m (modelled)Nov 17, 2023 — seafloor 85 m (measured), deepest dive 63 m (modelled)

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

Dives

171 m
Deepest dive
6:04
Longest dive
397
Dives
25 m
Avg dive depth
30
Sightings
227
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200171 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (307 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 · Aug 21, 2023

measured
Seafloor depth
307 m
Sea-surface temperature
17.6°C
Distance from shore
11.0 km

Across the residency · 30 sightings

measured
Seafloor depth
27 m – 567 m
Sea-surface temperature
11.0°C – 18.4°C
Distance from shore
1.0 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 30 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.