Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait
Fluke of HW-MN0401147
HW-MN0401147 Confirmed in the catalog @53650
May 30, 2026

Chatham Strait · May 2026

Modelled · this session
46 m
Deepest dive
2:33
Longest dive
25
Dives

Dive metrics are modelled within real depth limits — not measured

Dive profile

modelled
0255046 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (54 m) and the published dive-behaviour distribution. Modelled, not measured.

Measured · the place

Where this happened

measured
54 m
Seafloor depth
Sea-surface temp
5.0 km
From shore

Source · opentopodata/gebco2020 · erddap/ncdcOisst21Agg · pacioos-erddap/dist2coast_1deg