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Monterey Bay

Danger Zone – Residency

35th sighting in Monterey Bay
Fluke of Danger Zone
Danger Zone Confirmed in the catalog @123182
Mar 23 – Dec 28, 2025 · Monterey Bay

Monterey Bay · Mar – Dec 2025

92 m
Deepest dive
3:37
Longest dive
265
Dives
Sightings
24
Days between first and last sighting
280

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 23, 202567 m11.9°C56 m
Mar 27, 2025142 m12.1°C92 m
Mar 29, 202590 m11.9°C58 m
Apr 4, 2025105 m12.3°C69 m
Apr 6, 202583 m12.8°C53 m
Apr 7, 202588 m13.3°C66 m
Apr 9, 202596 m12.6°C67 m
Jun 16, 202534 m—30 m
Jun 17, 202536 m—12 m
Jun 19, 20258 m13.7°C7 m
Jul 26, 202513 m16.2°C12 m
Aug 9, 202569 m15.1°C29 m
Aug 28, 202572 m17.0°C49 m
Sep 15, 202511 m17.2°C10 m
Sep 24, 202511 m17.0°C9 m
Oct 5, 202511 m17.1°C10 m
Oct 18, 20257 m15.8°C6 m
Oct 24, 202574 m15.8°C25 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
Mar 23, 2025 — seafloor 67 m (measured), deepest dive 56 m (modelled)Mar 23Mar 27, 2025 — seafloor 142 m (measured), deepest dive 92 m (modelled)Mar 29, 2025 — seafloor 90 m (measured), deepest dive 58 m (modelled)Apr 4, 2025 — seafloor 105 m (measured), deepest dive 69 m (modelled)Apr 6, 2025 — seafloor 83 m (measured), deepest dive 53 m (modelled)Apr 6Apr 7, 2025 — seafloor 88 m (measured), deepest dive 66 m (modelled)Apr 9, 2025 — seafloor 96 m (measured), deepest dive 67 m (modelled)Jun 16, 2025 — seafloor 34 m (measured), deepest dive 30 m (modelled)Jun 17, 2025 — seafloor 36 m (measured), deepest dive 12 m (modelled)Jun 17Jun 19, 2025 — seafloor 8 m (measured), deepest dive 7 m (modelled)Jul 26, 2025 — seafloor 13 m (measured), deepest dive 12 m (modelled)Aug 9, 2025 — seafloor 69 m (measured), deepest dive 29 m (modelled)Aug 28, 2025 — seafloor 72 m (measured), deepest dive 49 m (modelled)Aug 28Sep 15, 2025 — seafloor 11 m (measured), deepest dive 10 m (modelled)Sep 24, 2025 — seafloor 11 m (measured), deepest dive 9 m (modelled)Oct 5, 2025 — seafloor 11 m (measured), deepest dive 10 m (modelled)Oct 18, 2025 — seafloor 7 m (measured), deepest dive 6 m (modelled)Oct 18Oct 24, 2025 — seafloor 74 m (measured), deepest dive 25 m (modelled)Nov 2, 2025 — seafloor 19 m (measured), deepest dive 14 m (modelled)Nov 15, 2025 — seafloor 9 m (measured), deepest dive 8 m (modelled)Nov 17, 2025 — seafloor 9 m (measured), deepest dive 7 m (modelled)Nov 17Nov 26, 2025 — seafloor 30 m (measured), deepest dive 27 m (modelled)Dec 20, 2025 — seafloor 135 m (measured), deepest dive 36 m (modelled)Dec 28, 2025 — seafloor 244 m (measured), deepest dive 48 m (modelled)

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

Dives

92 m
Deepest dive
3:37
Longest dive
265
Dives
15 m
Avg dive depth
24
Sightings
280
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010092 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (142 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 · Mar 27, 2025

measured
Seafloor depth
142 m
Sea-surface temperature
12.1°C
Distance from shore
2.0 km

Across the residency · 24 sightings

measured
Seafloor depth
7 m – 244 m
Sea-surface temperature
11.9°C – 17.2°C
Distance from shore
1.0 km – 14.0 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 24 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.