Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Sitka Sound & Outer Baranof

HW-MN0444621 – Residency

10th sighting in Sitka Sound & Outer Baranof
Fluke of HW-MN0444621
HW-MN0444621 Confirmed in the catalog @114464
Aug 19 – Sep 15, 2026 · Sitka Sound & Outer Baranof

Lingering in Cold Water

Stayed put, kept circling the same rich patch.

89 m
Deepest dive
2:57
Longest dive
98
Dives
Sightings
10
Days between first and last sighting
27
Deepest dive on record
89 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 19, 202673 m14.6°C49 m
Aug 25, 202679 m14.4°C53 m
Aug 27, 202673 m14.2°C26 m
Sep 4, 202699 m14.2°C32 m
Sep 5, 202678 m14.0°C61 m
Sep 6, 202657 m14.0°C30 m
Sep 7, 202692 m14.1°C47 m
Sep 8, 2026143 m14.1°C89 m
Sep 14, 202685 m13.4°C52 m
Sep 15, 2026103 m11.6°C33 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
Aug 19, 2026 — seafloor 73 m (measured), deepest dive 49 m (modelled)Aug 19Aug 25, 2026 — seafloor 79 m (measured), deepest dive 53 m (modelled)Aug 25Aug 27, 2026 — seafloor 73 m (measured), deepest dive 26 m (modelled)Aug 27Sep 4, 2026 — seafloor 99 m (measured), deepest dive 32 m (modelled)Sep 4Sep 5, 2026 — seafloor 78 m (measured), deepest dive 61 m (modelled)Sep 5Sep 6, 2026 — seafloor 57 m (measured), deepest dive 30 m (modelled)Sep 6Sep 7, 2026 — seafloor 92 m (measured), deepest dive 47 m (modelled)Sep 7Sep 8, 2026 — seafloor 143 m (measured), deepest dive 89 m (modelled)Sep 8Sep 14, 2026 — seafloor 85 m (measured), deepest dive 52 m (modelled)Sep 14Sep 15, 2026 — seafloor 103 m (measured), deepest dive 33 m (modelled)Sep 15

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

Dives

89 m
Deepest dive
2:57
Longest dive
98
Dives
20 m
Avg dive depth
10
Sightings
27
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010089 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (143 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 · Sep 8, 2026

measured
Seafloor depth
143 m
Sea-surface temperature
14.1°C
Distance from shore
6.0 km

Across the residency · 10 sightings

measured
Seafloor depth
57 m – 143 m
Sea-surface temperature
11.6°C – 14.6°C
Distance from shore
2.0 km – 7.0 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 10 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.