Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Salish Sea

Hale-Bopp – Residency

41st sighting in Salish Sea
Fluke of Hale-Bopp
Hale-Bopp Confirmed in the catalog @22295
Oct 1 – Dec 8, 2023 · Salish Sea

Salish Sea · Oct – Dec 2023

70 m
Deepest dive
3:04
Longest dive
53
Dives
Sightings
3
Days between first and last sighting
68

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 1, 202343 m10.6°C31 m
Oct 22, 202355 m11.0°C41 m
Dec 8, 202394 m9.4°C70 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
Oct 1, 2023 — seafloor 43 m (measured), deepest dive 31 m (modelled)Oct 1Oct 22, 2023 — seafloor 55 m (measured), deepest dive 41 m (modelled)Oct 22Dec 8, 2023 — seafloor 94 m (measured), deepest dive 70 m (modelled)Dec 8

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

Dives

70 m
Deepest dive
3:04
Longest dive
53
Dives
19 m
Avg dive depth
3
Sightings
68
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010070 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (94 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 · Dec 8, 2023

measured
Seafloor depth
94 m
Sea-surface temperature
9.4°C
Distance from shore
13.0 km

Across the residency · 3 sightings

measured
Seafloor depth
43 m – 94 m
Sea-surface temperature
9.4°C – 11.0°C
Distance from shore
2.0 km – 13.0 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 3 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.