Twin Peaks – Residency
45th sighting in Lynn Canal & Stephens Passage
Twin Peaks @12323
May 19 – Aug 21, 2026 · Lynn Canal & Stephens Passage
Icy Strait, every summer
Herring called, I answered, whole season logged in this cold green water.
78 m
Deepest dive
2:46
Longest dive
116
Dives
- Sightings
- 10
- Days between first and last sighting
- 94
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 19, 2026 | 289 m | 8.1°C | 16 m |
| Aug 13, 2026 | 87 m | 15.1°C | 57 m |
| Aug 14, 2026 | 99 m | 15.1°C | 41 m |
| Aug 15, 2026 | 51 m | 15.6°C | 43 m |
| Aug 16, 2026 | 97 m | 15.7°C | 48 m |
| Aug 17, 2026 | 91 m | 15.8°C | 78 m |
| Aug 18, 2026 | 90 m | 15.6°C | 72 m |
| Aug 19, 2026 | 78 m | 14.8°C | 69 m |
| Aug 20, 2026 | 91 m | 15.0°C | 71 m |
| Aug 21, 2026 | 64 m | 15.1°C | 46 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
78 m
Deepest dive
2:46
Longest dive
116
Dives
23 m
Avg dive depth
10
Sightings
94
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 (91 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 17, 2026
measured- Seafloor depth
- 91 m
- Sea-surface temperature
- 15.8°C
- Distance from shore
- 1.0 km
Across the residency · 10 sightings
measured- Seafloor depth
- 51 m – 289 m
- Sea-surface temperature
- 8.1°C – 15.8°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 10 catalogued encounters on Happywhale.