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

Daylight – Residency

34th sighting in Monterey Bay
Fluke of Daylight
Daylight Confirmed in the catalog @7478
Apr 7 – 26, 2026 · Monterey Bay

April, Right on Time

The upwelling showed up and so did I — good spring.

181 m
Deepest dive
5:29
Longest dive
14
Dives
Sightings
2
Days between first and last sighting
19

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 7, 2026165 m14.3°C45 m
Apr 26, 2026948 m13.9°C181 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 7, 2026 — seafloor 165 m (measured), deepest dive 45 m (modelled)Apr 7Apr 26, 2026 — seafloor 948 m (measured), deepest dive 181 m (modelled)Apr 26

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

Dives

181 m
Deepest dive
5:29
Longest dive
14
Dives
31 m
Avg dive depth
2
Sightings
19
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200181 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (948 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 · Apr 26, 2026

measured
Seafloor depth
948 m
Sea-surface temperature
13.9°C
Distance from shore
16.0 km

Across the residency · 2 sightings

measured
Seafloor depth
165 m – 948 m
Sea-surface temperature
13.9°C – 14.3°C
Distance from shore
7.0 km – 16.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 2 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.