Twin Peaks – Residency
28th sighting in Lynn Canal & Stephens Passage
Twin Peaks @12323
May 17 – Sep 29, 2024 · Lynn Canal & Stephens Passage
Lynn Canal & Stephens Passage · May – Sep 2024
68 m
Deepest dive
3:06
Longest dive
77
Dives
- Sightings
- 8
- Days between first and last sighting
- 135
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 17, 2024 | 64 m | 6.9°C | 56 m |
| May 17, 2024 | 49 m | 7.1°C | 38 m |
| Aug 6, 2024 | 520 m | 14.8°C | 49 m |
| Aug 7, 2024 | 88 m | 14.4°C | 53 m |
| Aug 17, 2024 | 119 m | 14.8°C | 68 m |
| Aug 20, 2024 | 93 m | 13.6°C | 65 m |
| Sep 29, 2024 | 114 m | 11.3°C | 41 m |
| Sep 29, 2024 | 135 m | 11.3°C | 59 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
68 m
Deepest dive
3:06
Longest dive
77
Dives
24 m
Avg dive depth
8
Sightings
135
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 (119 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 17, 2024
measured- Seafloor depth
- 119 m
- Sea-surface temperature
- 14.8°C
- Distance from shore
- 1.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 49 m – 520 m
- Sea-surface temperature
- 6.9°C – 14.8°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 8 catalogued encounters on Happywhale.