Rudolph – Residency
10th sighting in Chatham StraitRudolph @18129
Jul 27 – Sep 4, 2026 · Chatham Strait
Chatham Strait, Green and Loud
Herring thick, water green, this room never disappoints me.
120 m
Deepest dive
4:34
Longest dive
45
Dives
- Sightings
- 4
- Days between first and last sighting
- 39
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 | 272 m | 13.0°C | 46 m |
| Aug 3, 2026 | 72 m | 13.6°C | 56 m |
| Aug 9, 2026 | 330 m | 13.5°C | 120 m |
| Sep 4, 2026 | 72 m | 13.0°C | 59 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
120 m
Deepest dive
4:34
Longest dive
45
Dives
28 m
Avg dive depth
4
Sightings
39
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 (330 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 9, 2026
measured- Seafloor depth
- 330 m
- Sea-surface temperature
- 13.5°C
- Distance from shore
- 4.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 72 m – 330 m
- Sea-surface temperature
- 13.0°C – 13.6°C
- Distance from shore
- 1.0 km – 4.0 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.