SEAK-2248 – Residency
4th sighting in Lynn Canal & Stephens Passage
SEAK-2248 @26702
Jul 27 – Sep 23, 2026 · Lynn Canal & Stephens Passage
Chatham Strait, Again and Always
Herring running thick, glaciers grinding, and me right where I belong.
121 m
Deepest dive
4:35
Longest dive
20
Dives
- Sightings
- 4
- Days between first and last sighting
- 58
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 27, 2026 | 51 m | 13.0°C | 36 m |
| Aug 1, 2026 | 303 m | 12.9°C | 121 m |
| Aug 15, 2026 | 107 m | 14.6°C | 43 m |
| Sep 23, 2026 | -34 m | 10.6°C | — |
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
121 m
Deepest dive
4:35
Longest dive
20
Dives
27 m
Avg dive depth
4
Sightings
58
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 (303 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 1, 2026
measured- Seafloor depth
- 303 m
- Sea-surface temperature
- 12.9°C
- Distance from shore
- 3.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- -34 m – 303 m
- Sea-surface temperature
- 10.6°C – 14.6°C
- Distance from shore
- 1.0 km – 3.0 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.