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Monterey Bay

Slice – Residency

80th sighting in Monterey Bay
Fluke of Slice
Slice Confirmed in the catalog @23
Aug 5 – Oct 25, 2024 · Monterey Bay

Home Waters Again

Been circling these familiar depths for months, that old cut catching sunlight each time I rise.

130 m
Deepest dive
4:32
Longest dive
266
Dives
Sightings
20
Days between first and last sighting
81

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 5, 202484 m15.6°C15 m
Aug 8, 202472 m15.1°C46 m
Aug 11, 2024107 m14.0°C19 m
Aug 16, 202484 m14.5°C44 m
Aug 18, 2024202 m14.6°C45 m
Oct 1, 202475 m16.3°C65 m
Oct 1, 202478 m16.4°C52 m
Oct 2, 202467 m16.5°C50 m
Oct 5, 202486 m16.5°C46 m
Oct 12, 2024295 m15.4°C130 m
Oct 13, 2024114 m15.4°C48 m
Oct 14, 2024245 m15.7°C100 m
Oct 14, 2024114 m15.7°C84 m
Oct 17, 202467 m15.3°C57 m
Oct 19, 2024567 m14.5°C104 m
Oct 19, 2024231 m14.5°C63 m
Oct 20, 202472 m14.6°C40 m
Oct 21, 202476 m14.5°C58 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
Aug 5, 2024 — seafloor 84 m (measured), deepest dive 15 m (modelled)Aug 5Aug 8, 2024 — seafloor 72 m (measured), deepest dive 46 m (modelled)Aug 11, 2024 — seafloor 107 m (measured), deepest dive 19 m (modelled)Aug 16, 2024 — seafloor 84 m (measured), deepest dive 44 m (modelled)Aug 18, 2024 — seafloor 202 m (measured), deepest dive 45 m (modelled)Aug 18Oct 1, 2024 — seafloor 75 m (measured), deepest dive 65 m (modelled)Oct 1, 2024 — seafloor 78 m (measured), deepest dive 52 m (modelled)Oct 2, 2024 — seafloor 67 m (measured), deepest dive 50 m (modelled)Oct 5, 2024 — seafloor 86 m (measured), deepest dive 46 m (modelled)Oct 5Oct 12, 2024 — seafloor 295 m (measured), deepest dive 130 m (modelled)Oct 13, 2024 — seafloor 114 m (measured), deepest dive 48 m (modelled)Oct 14, 2024 — seafloor 245 m (measured), deepest dive 100 m (modelled)Oct 14, 2024 — seafloor 114 m (measured), deepest dive 84 m (modelled)Oct 14Oct 17, 2024 — seafloor 67 m (measured), deepest dive 57 m (modelled)Oct 19, 2024 — seafloor 567 m (measured), deepest dive 104 m (modelled)Oct 19, 2024 — seafloor 231 m (measured), deepest dive 63 m (modelled)Oct 20, 2024 — seafloor 72 m (measured), deepest dive 40 m (modelled)Oct 20Oct 21, 2024 — seafloor 76 m (measured), deepest dive 58 m (modelled)Oct 21, 2024 — seafloor 78 m (measured), deepest dive 69 m (modelled)Oct 25, 2024 — seafloor 86 m (measured), deepest dive 37 m (modelled)

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

Dives

130 m
Deepest dive
4:32
Longest dive
266
Dives
21 m
Avg dive depth
20
Sightings
81
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150130 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (295 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 · Oct 12, 2024

measured
Seafloor depth
295 m
Sea-surface temperature
15.4°C
Distance from shore
5.0 km

Across the residency · 20 sightings

measured
Seafloor depth
67 m – 567 m
Sea-surface temperature
14.0°C – 16.5°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 20 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.