Polinahe – Residency
62nd sighting in Chatham Strait
Polinahe @5462
May 31 – Sep 15, 2026 · Chatham Strait
Chatham Strait, Every June
This green water knows my pulse better than I do.
55 m
Deepest dive
1:58
Longest dive
39
Dives
- Sightings
- 4
- Days between first and last sighting
- 106
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 31, 2026 | 100 m | 8.6°C | 55 m |
| Jun 10, 2026 | 44 m | 9.2°C | 37 m |
| Jul 9, 2026 | 46 m | 12.5°C | 33 m |
| Sep 15, 2026 | 7 m | 10.9°C | 6 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
55 m
Deepest dive
1:58
Longest dive
39
Dives
14 m
Avg dive depth
4
Sightings
106
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 (100 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 31, 2026
measured- Seafloor depth
- 100 m
- Sea-surface temperature
- 8.6°C
- Distance from shore
- 5.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 7 m – 100 m
- Sea-surface temperature
- 8.6°C – 12.5°C
- Distance from shore
- 1.0 km – 5.0 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.