Manunauna – Residency
54th sighting in Lynn Canal & Stephens Passage
Manunauna @5412
May 31 – Aug 16, 2025 · Lynn Canal & Stephens Passage
Lynn Canal & Stephens Passage · May – Aug 2025
84 m
Deepest dive
2:42
Longest dive
67
Dives
- Sightings
- 4
- Days between first and last sighting
- 76
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 31, 2025 | 87 m | 8.9°C | 51 m |
| Jun 14, 2025 | 148 m | 9.9°C | 60 m |
| Jul 25, 2025 | 88 m | 12.7°C | 70 m |
| Aug 16, 2025 | 189 m | 14.7°C | 84 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
84 m
Deepest dive
2:42
Longest dive
67
Dives
28 m
Avg dive depth
4
Sightings
76
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 (189 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 16, 2025
measured- Seafloor depth
- 189 m
- Sea-surface temperature
- 14.7°C
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 87 m – 189 m
- Sea-surface temperature
- 8.9°C – 14.7°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 4 catalogued encounters on Happywhale.