Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
South Africa

HW-MN0806102 – Residency

4th sighting in South Africa
Fluke of HW-MN0806102
HW-MN0806102 Confirmed in the catalog @151390
Jan 26 – Feb 10, 2026 · South Africa

South Africa · Jan – Feb 2026

60 m
Deepest dive
2:52
Longest dive
39
Dives
Sightings
4
Days between first and last sighting
15
Deepest dive on record
60 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 26, 202677 m14.2°C60 m
Feb 2, 202674 m16.3°C36 m
Feb 7, 202681 m16.8°C49 m
Feb 10, 202678 m16.2°C41 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
Jan 26, 2026 — seafloor 77 m (measured), deepest dive 60 m (modelled)Jan 26Feb 2, 2026 — seafloor 74 m (measured), deepest dive 36 m (modelled)Feb 2Feb 7, 2026 — seafloor 81 m (measured), deepest dive 49 m (modelled)Feb 7Feb 10, 2026 — seafloor 78 m (measured), deepest dive 41 m (modelled)Feb 10

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

Dives

60 m
Deepest dive
2:52
Longest dive
39
Dives
23 m
Avg dive depth
4
Sightings
15
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010060 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (77 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 · Jan 26, 2026

measured
Seafloor depth
77 m
Sea-surface temperature
14.2°C
Distance from shore
13.0 km

Across the residency · 4 sightings

measured
Seafloor depth
74 m – 81 m
Sea-surface temperature
14.2°C – 16.8°C
Distance from shore
4.0 km – 13.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 4 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.