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

HW-MN0524737 – Residency

4th sighting in Monterey Bay
Fluke of HW-MN0524737
HW-MN0524737 Confirmed in the catalog @140220
Sep 17 – Oct 15, 2026 · Monterey Bay

New Bay, First Look

Monterey opened up for me this fall—first time, already good.

111 m
Deepest dive
4:50
Longest dive
49
Dives
Sightings
4
Days between first and last sighting
28

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 17, 2026149 m15.6°C111 m
Sep 23, 2026120 m—95 m
Sep 29, 2026162 m—23 m
Oct 15, 2026182 m—54 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
Sep 17, 2026 — seafloor 149 m (measured), deepest dive 111 m (modelled)Sep 17Sep 23, 2026 — seafloor 120 m (measured), deepest dive 95 m (modelled)Sep 23Sep 29, 2026 — seafloor 162 m (measured), deepest dive 23 m (modelled)Sep 29Oct 15, 2026 — seafloor 182 m (measured), deepest dive 54 m (modelled)Oct 15

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

Dives

111 m
Deepest dive
4:50
Longest dive
49
Dives
24 m
Avg dive depth
4
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150111 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (149 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 · Sep 17, 2026

measured
Seafloor depth
149 m
Sea-surface temperature
15.6°C
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
120 m – 182 m
Sea-surface temperature
15.6°C
Distance from shore
3.0 km – 7.0 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 4 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.