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Chatham Strait

WidowMaker – Residency

53rd sighting in Chatham Strait
Fluke of WidowMaker
WidowMaker Confirmed in the catalog @6371
May 11 – Sep 25, 2023 · Chatham Strait

Chatham Strait · May – Sep 2023

103 m
Deepest dive
4:38
Longest dive
260
Dives
Sightings
23
Days between first and last sighting
136

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 11, 202377 m7.3°C60 m
Jun 8, 202367 m9.0°C45 m
Jun 9, 202347 m9.2°C25 m
Jun 21, 2023133 m9.8°C103 m
Jun 28, 202351 m10.4°C44 m
Jun 29, 202356 m10.3°C48 m
Jul 5, 202383 m10.9°C58 m
Jul 8, 2023111 m11.9°C99 m
Jul 11, 2023111 m11.8°C86 m
Jul 11, 202357 m12.0°C46 m
Jul 12, 202365 m12.1°C54 m
Jul 14, 202364 m13.1°C34 m
Jul 14, 202342 m13.0°C35 m
Jul 15, 202365 m13.0°C40 m
Jul 17, 202388 m12.0°C39 m
Jul 17, 202348 m11.9°C43 m
Jul 24, 202360 m12.2°C33 m
Jul 28, 2023100 m12.9°C61 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 11, 2023 — seafloor 77 m (measured), deepest dive 60 m (modelled)May 11Jun 8, 2023 — seafloor 67 m (measured), deepest dive 45 m (modelled)Jun 9, 2023 — seafloor 47 m (measured), deepest dive 25 m (modelled)Jun 21, 2023 — seafloor 133 m (measured), deepest dive 103 m (modelled)Jun 28, 2023 — seafloor 51 m (measured), deepest dive 44 m (modelled)Jun 28Jun 29, 2023 — seafloor 56 m (measured), deepest dive 48 m (modelled)Jul 5, 2023 — seafloor 83 m (measured), deepest dive 58 m (modelled)Jul 8, 2023 — seafloor 111 m (measured), deepest dive 99 m (modelled)Jul 11, 2023 — seafloor 111 m (measured), deepest dive 86 m (modelled)Jul 11Jul 11, 2023 — seafloor 57 m (measured), deepest dive 46 m (modelled)Jul 12, 2023 — seafloor 65 m (measured), deepest dive 54 m (modelled)Jul 14, 2023 — seafloor 64 m (measured), deepest dive 34 m (modelled)Jul 14, 2023 — seafloor 42 m (measured), deepest dive 35 m (modelled)Jul 14Jul 15, 2023 — seafloor 65 m (measured), deepest dive 40 m (modelled)Jul 17, 2023 — seafloor 88 m (measured), deepest dive 39 m (modelled)Jul 17, 2023 — seafloor 48 m (measured), deepest dive 43 m (modelled)Jul 24, 2023 — seafloor 60 m (measured), deepest dive 33 m (modelled)Jul 24Jul 28, 2023 — seafloor 100 m (measured), deepest dive 61 m (modelled)Aug 11, 2023 — seafloor -27 m (measured), deepest dive — (modelled)Aug 18, 2023 — seafloor 35 m (measured), deepest dive 22 m (modelled)Aug 20, 2023 — seafloor 97 m (measured), deepest dive 32 m (modelled)Aug 20Aug 21, 2023 — seafloor 26 m (measured), deepest dive 24 m (modelled)Sep 25, 2023 — seafloor 61 m (measured), deepest dive 53 m (modelled)

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

Dives

103 m
Deepest dive
4:38
Longest dive
260
Dives
22 m
Avg dive depth
23
Sightings
136
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150103 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (133 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 · Jun 21, 2023

measured
Seafloor depth
133 m
Sea-surface temperature
9.8°C
Distance from shore
2.0 km

Across the residency · 23 sightings

measured
Seafloor depth
-27 m – 133 m
Sea-surface temperature
7.3°C – 13.1°C
Distance from shore
1.0 km – 4.0 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 23 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.