161909 – Residency
4th sighting in Sitka Sound & Outer Baranof
161909 @161909
Jul 20 – Aug 4, 2026 · Sitka Sound & Outer Baranof
Bright Water, Same Channels
Dawn in one inlet, miles south by dusk—this summer's mine to spend.
92 m
Deepest dive
3:18
Longest dive
84
Dives
- Sightings
- 5
- Days between first and last sighting
- 15
- Deepest dive on record
- 92 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 20, 2026 | 78 m | 12.9°C | 33 m |
| Jul 22, 2026 | 105 m | 12.8°C | 92 m |
| Jul 26, 2026 | 78 m | 12.9°C | 58 m |
| Jul 27, 2026 | 78 m | 13.0°C | 33 m |
| Aug 4, 2026 | 91 m | 13.9°C | 77 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
92 m
Deepest dive
3:18
Longest dive
84
Dives
24 m
Avg dive depth
5
Sightings
15
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (105 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 22, 2026
measured- Seafloor depth
- 105 m
- Sea-surface temperature
- 12.8°C
- Distance from shore
- 6.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 78 m – 105 m
- Sea-surface temperature
- 12.8°C – 13.9°C
- Distance from shore
- 1.0 km – 7.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.