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

Walter – Residency

40th sighting in Monterey Bay
Fluke of Walter
Walter Confirmed in the catalog @527
May 25 – Jul 15, 2021 · Monterey Bay

Monterey Bay · May – Jul 2021

170 m
Deepest dive
5:24
Longest dive
94
Dives
Sightings
9
Days between first and last sighting
51

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 25, 202161 m12.4°C40 m
May 27, 202162 m12.2°C44 m
Jun 19, 2021512 m14.8°C31 m
Jul 8, 2021567 m15.9°C34 m
Jul 8, 2021567 m15.9°C170 m
Jul 10, 202164 m15.0°C55 m
Jul 11, 202196 m14.9°C64 m
Jul 15, 202171 m14.3°C22 m
Jul 15, 202129 m14.5°C26 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 25, 2021 — seafloor 61 m (measured), deepest dive 40 m (modelled)May 25May 27, 2021 — seafloor 62 m (measured), deepest dive 44 m (modelled)May 27Jun 19, 2021 — seafloor 512 m (measured), deepest dive 31 m (modelled)Jun 19Jul 8, 2021 — seafloor 567 m (measured), deepest dive 34 m (modelled)Jul 8Jul 8, 2021 — seafloor 567 m (measured), deepest dive 170 m (modelled)Jul 8Jul 10, 2021 — seafloor 64 m (measured), deepest dive 55 m (modelled)Jul 10Jul 11, 2021 — seafloor 96 m (measured), deepest dive 64 m (modelled)Jul 11Jul 15, 2021 — seafloor 71 m (measured), deepest dive 22 m (modelled)Jul 15Jul 15, 2021 — seafloor 29 m (measured), deepest dive 26 m (modelled)Jul 15

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

Dives

170 m
Deepest dive
5:24
Longest dive
94
Dives
25 m
Avg dive depth
9
Sightings
51
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200170 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.

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Place

Where this happened · Jul 8, 2021

measured
Seafloor depth
567 m
Sea-surface temperature
15.9°C
Distance from shore
16.0 km

Across the residency · 9 sightings

measured
Seafloor depth
29 m – 567 m
Sea-surface temperature
12.2°C – 15.9°C
Distance from shore
2.0 km – 16.0 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 9 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.