Sherwina – Residency
21st sighting in Salish Sea
Sherwina @11390
Sep 11 – 18, 2026 · Salish Sea
Green Water, Good Company
Traded shelf cold for Salish green and found plenty of company here.
137 m
Deepest dive
6:14
Longest dive
35
Dives
- Sightings
- 3
- Days between first and last sighting
- 7
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 11, 2026 | 203 m | 15.7°C | 53 m |
| Sep 14, 2026 | 211 m | 15.0°C | 137 m |
| Sep 18, 2026 | 150 m | 15.3°C | 119 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
137 m
Deepest dive
6:14
Longest dive
35
Dives
37 m
Avg dive depth
3
Sightings
7
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 (211 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 14, 2026
measured- Seafloor depth
- 211 m
- Sea-surface temperature
- 15.0°C
- Distance from shore
- 6.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 150 m – 211 m
- Sea-surface temperature
- 15.0°C – 15.7°C
- Distance from shore
- 3.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.