SEAK-5630 – Residency
1st sighting in Lynn Canal & Stephens Passage
SEAK-5630 @25374
Sep 24 – 25, 2026 · Lynn Canal & Stephens Passage
Chatham Strait, Round Again
Cold water, good company, two blows caught on the same stretch.
79 m
Deepest dive
2:40
Longest dive
19
Dives
- Sightings
- 2
- Days between first and last sighting
- 1
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 24, 2026 | 231 m | 10.6°C | 79 m |
| Sep 25, 2026 | 88 m | 10.0°C | 67 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
79 m
Deepest dive
2:40
Longest dive
19
Dives
27 m
Avg dive depth
2
Sightings
1
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 (231 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 24, 2026
measured- Seafloor depth
- 231 m
- Sea-surface temperature
- 10.6°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 88 m – 231 m
- Sea-surface temperature
- 10.0°C – 10.6°C
- Distance from shore
- 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.