Sherwina – Residency
11th sighting in Salish Sea
Sherwina @11390
Aug 22 – Nov 27, 2022 · Salish Sea
Salish Sea · Aug – Nov 2022
145 m
Deepest dive
4:36
Longest dive
89
Dives
- Sightings
- 6
- Days between first and last sighting
- 97
- Deepest dive on record
- 145 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 22, 2022 | 406 m | 21.9°C | 145 m |
| Aug 29, 2022 | 328 m | 20.1°C | 66 m |
| Sep 24, 2022 | 58 m | 15.8°C | 51 m |
| Nov 13, 2022 | 165 m | 8.6°C | 68 m |
| Nov 27, 2022 | 119 m | 8.4°C | 37 m |
| Nov 27, 2022 | 73 m | 8.4°C | 54 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
145 m
Deepest dive
4:36
Longest dive
89
Dives
25 m
Avg dive depth
6
Sightings
97
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 (406 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 22, 2022
measured- Seafloor depth
- 406 m
- Sea-surface temperature
- 21.9°C
- Distance from shore
- 8.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 58 m – 406 m
- Sea-surface temperature
- 8.4°C – 21.9°C
- Distance from shore
- 2.0 km – 8.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.