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

Silky – Residency

33rd sighting in Monterey Bay
Fluke of Silky
Silky Confirmed in the catalog @260
Jul 2 – Sep 24, 2023 · Monterey Bay

Monterey Bay · Jul – Sep 2023

99 m
Deepest dive
4:06
Longest dive
88
Dives
Sightings
6
Days between first and last sighting
84

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 2, 202347 m15.2°C28 m
Jul 18, 2023538 m15.5°C37 m
Jul 19, 2023134 m15.7°C99 m
Aug 6, 202369 m14.1°C29 m
Aug 13, 202353 m14.8°C47 m
Sep 24, 2023105 m16.8°C94 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
Jul 2, 2023 — seafloor 47 m (measured), deepest dive 28 m (modelled)Jul 2Jul 18, 2023 — seafloor 538 m (measured), deepest dive 37 m (modelled)Jul 18Jul 19, 2023 — seafloor 134 m (measured), deepest dive 99 m (modelled)Jul 19Aug 6, 2023 — seafloor 69 m (measured), deepest dive 29 m (modelled)Aug 6Aug 13, 2023 — seafloor 53 m (measured), deepest dive 47 m (modelled)Aug 13Sep 24, 2023 — seafloor 105 m (measured), deepest dive 94 m (modelled)Sep 24

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

Dives

99 m
Deepest dive
4:06
Longest dive
88
Dives
23 m
Avg dive depth
6
Sightings
84
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010099 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (134 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 19, 2023

measured
Seafloor depth
134 m
Sea-surface temperature
15.7°C
Distance from shore
11.0 km

Across the residency · 6 sightings

measured
Seafloor depth
47 m – 538 m
Sea-surface temperature
14.1°C – 16.8°C
Distance from shore
4.0 km – 30.0 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 6 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.