Jonah – Residency
6th sighting in Sitka Sound & Outer Baranof
Jonah @40956
May 11 – Jun 5, 2026 · Sitka Sound & Outer Baranof
Chatham Strait, Right on Time
Herring's here, water's green, and I'm exactly where I ought to be.
159 m
Deepest dive
5:01
Longest dive
29
Dives
- Sightings
- 3
- Days between first and last sighting
- 25
- Deepest dive on record
- 159 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) |
|---|---|---|---|
| May 11, 2026 | 206 m | 8.3°C | 159 m |
| May 19, 2026 | 140 m | 8.3°C | 94 m |
| Jun 5, 2026 | 129 m | 10.1°C | 101 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
159 m
Deepest dive
5:01
Longest dive
29
Dives
34 m
Avg dive depth
3
Sightings
25
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 (206 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 11, 2026
measured- Seafloor depth
- 206 m
- Sea-surface temperature
- 8.3°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 129 m – 206 m
- Sea-surface temperature
- 8.3°C – 10.1°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.