Polinahe – Residency
17th sighting in Chatham Strait
Polinahe @5462
Jun 28 – Aug 31, 2022 · Chatham Strait
Chatham Strait · Jun – Aug 2022
99 m
Deepest dive
3:19
Longest dive
62
Dives
- Sightings
- 6
- Days between first and last sighting
- 64
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 28, 2022 | 335 m | 12.1°C | 69 m |
| Jul 19, 2022 | 38 m | 13.6°C | 33 m |
| Aug 1, 2022 | 117 m | 13.6°C | 99 m |
| Aug 13, 2022 | 46 m | 12.4°C | 29 m |
| Aug 31, 2022 | 127 m | 12.8°C | 96 m |
| Aug 31, 2022 | 237 m | 12.9°C | 33 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
99 m
Deepest dive
3:19
Longest dive
62
Dives
27 m
Avg dive depth
6
Sightings
64
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 (117 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 1, 2022
measured- Seafloor depth
- 117 m
- Sea-surface temperature
- 13.6°C
- Distance from shore
- 1.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 38 m – 335 m
- Sea-surface temperature
- 12.1°C – 13.6°C
- Distance from shore
- 1.0 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.