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

HW-MN0503930 – Residency

4th sighting in Monterey Bay
Fluke of HW-MN0503930
HW-MN0503930 Confirmed in the catalog @144295
May 12 – Nov 22, 2025 · Monterey Bay

Monterey Bay · May – Nov 2025

126 m
Deepest dive
5:14
Longest dive
103
Dives
Sightings
10
Days between first and last sighting
194
Deepest dive on record
126 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 12, 2025567 m—126 m
Jul 5, 202543 m—32 m
Jul 6, 202595 m—44 m
Jul 9, 202557 m—52 m
Aug 9, 202521 m—19 m
Aug 21, 2025-13 m——
Aug 25, 202514 m—12 m
Nov 2, 202519 m—15 m
Nov 22, 202567 m—55 m
Nov 22, 2025444 m—65 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 12, 2025 — seafloor 567 m (measured), deepest dive 126 m (modelled)May 12Jul 5, 2025 — seafloor 43 m (measured), deepest dive 32 m (modelled)Jul 5Jul 6, 2025 — seafloor 95 m (measured), deepest dive 44 m (modelled)Jul 6Jul 9, 2025 — seafloor 57 m (measured), deepest dive 52 m (modelled)Jul 9Aug 9, 2025 — seafloor 21 m (measured), deepest dive 19 m (modelled)Aug 9Aug 21, 2025 — seafloor -13 m (measured), deepest dive — (modelled)Aug 21Aug 25, 2025 — seafloor 14 m (measured), deepest dive 12 m (modelled)Aug 25Nov 2, 2025 — seafloor 19 m (measured), deepest dive 15 m (modelled)Nov 2Nov 22, 2025 — seafloor 67 m (measured), deepest dive 55 m (modelled)Nov 22Nov 22, 2025 — seafloor 444 m (measured), deepest dive 65 m (modelled)Nov 22

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

Dives

126 m
Deepest dive
5:14
Longest dive
103
Dives
19 m
Avg dive depth
10
Sightings
194
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150126 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (567 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.

Unlock with Risa Deep

Place

Where this happened · May 12, 2025

measured
Seafloor depth
567 m
Sea-surface temperature
—
Distance from shore
16.0 km

Across the residency · 10 sightings

measured
Seafloor depth
-13 m – 567 m
Sea-surface temperature
—
Distance from shore
1.0 km – 31.0 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 10 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.