Kai Koa – Residency
3rd sighting in Lynn Canal & Stephens Passage
Kai Koa @29338
May 15 – Jun 10, 2026 · Lynn Canal & Stephens Passage
Strait's Own Rhythm
Cold water, close shore, my kind of spring lineup.
54 m
Deepest dive
2:25
Longest dive
28
Dives
- Sightings
- 4
- Days between first and last sighting
- 25
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 15, 2026 | 48 m | 7.7°C | 38 m |
| May 16, 2026 | 68 m | 7.7°C | 49 m |
| Jun 9, 2026 | 72 m | 9.6°C | 54 m |
| Jun 10, 2026 | 50 m | 9.2°C | 29 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
54 m
Deepest dive
2:25
Longest dive
28
Dives
21 m
Avg dive depth
4
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 (72 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 9, 2026
measured- Seafloor depth
- 72 m
- Sea-surface temperature
- 9.6°C
- Distance from shore
- 1.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 48 m – 72 m
- Sea-surface temperature
- 7.7°C – 9.6°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.