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

HW-MN0443663 – Residency

5th sighting in Hawaiian Islands
Fluke of HW-MN0443663
HW-MN0443663 Confirmed in the catalog @79817
Jan 13 – 19, 2026 · Hawaiian Islands

Hawaiian Islands · Jan 2026

101 m
Deepest dive
4:39
Longest dive
17
Dives
Sightings
2
Days between first and last sighting
6

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 13, 20261,871 m26.0°C101 m
Jan 19, 202666 m25.7°C30 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 13, 2026 — seafloor 1,871 m (measured), deepest dive 101 m (modelled)Jan 13Jan 19, 2026 — seafloor 66 m (measured), deepest dive 30 m (modelled)Jan 19

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

Dives

101 m
Deepest dive
4:39
Longest dive
17
Dives
22 m
Avg dive depth
2
Sightings
6
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150101 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,871 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 13, 2026

measured
Seafloor depth
1,871 m
Sea-surface temperature
26.0°C
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
66 m – 1,871 m
Sea-surface temperature
25.7°C – 26.0°C
Distance from shore
5.0 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 2 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.