Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Chardonnay – Residency

4th sighting in Chatham Strait
Fluke of Chardonnay
Chardonnay Confirmed in the catalog @5303
May 1 – Aug 8, 2021 · Chatham Strait

Chatham Strait · May – Aug 2021

95 m
Deepest dive
4:35
Longest dive
38
Dives
Sightings
5
Days between first and last sighting
99

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 1, 202170 m4.7°C27 m
May 23, 202138 m7.9°C32 m
Jun 6, 2021244 m9.1°C83 m
Jun 17, 2021107 m11.1°C95 m
Aug 8, 202184 m15.5°C60 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 1, 2021 — seafloor 70 m (measured), deepest dive 27 m (modelled)May 1May 23, 2021 — seafloor 38 m (measured), deepest dive 32 m (modelled)May 23Jun 6, 2021 — seafloor 244 m (measured), deepest dive 83 m (modelled)Jun 6Jun 17, 2021 — seafloor 107 m (measured), deepest dive 95 m (modelled)Jun 17Aug 8, 2021 — seafloor 84 m (measured), deepest dive 60 m (modelled)Aug 8

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

Dives

95 m
Deepest dive
4:35
Longest dive
38
Dives
25 m
Avg dive depth
5
Sightings
99
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010095 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (107 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 · Jun 17, 2021

measured
Seafloor depth
107 m
Sea-surface temperature
11.1°C
Distance from shore
2.0 km

Across the residency · 5 sightings

measured
Seafloor depth
38 m – 244 m
Sea-surface temperature
4.7°C – 15.5°C
Distance from shore
1.0 km – 3.0 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 5 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.