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

HW-MN0503725 – Residency

2nd sighting in Monterey Bay
Fluke of HW-MN0503725
HW-MN0503725 Confirmed in the catalog @139047
May 1 – 2, 2025 · Monterey Bay

Monterey Bay · May 2025

96 m
Deepest dive
3:06
Longest dive
28
Dives
Sightings
2
Days between first and last sighting
1
Deepest dive on record
96 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 1, 2025140 m—66 m
May 2, 2025290 m—96 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
May 1, 2025 — seafloor 140 m (measured), deepest dive 66 m (modelled)May 1May 2, 2025 — seafloor 290 m (measured), deepest dive 96 m (modelled)May 2

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

Dives

96 m
Deepest dive
3:06
Longest dive
28
Dives
33 m
Avg dive depth
2
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010096 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (290 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 2, 2025

measured
Seafloor depth
290 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 2 sightings

measured
Seafloor depth
140 m – 290 m
Sea-surface temperature
—
Distance from shore
2.0 km – 11.0 km

Sources: GEBCO seafloor grid · 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.