Apollo11 – Residency
49th sighting in Chatham Strait
Apollo11 @18130
Jun 29 – Oct 7, 2025 · Chatham Strait
Chatham Strait · Jun – Oct 2025
71 m
Deepest dive
2:49
Longest dive
137
Dives
- Sightings
- 10
- Days between first and last sighting
- 100
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 29, 2025 | 94 m | 12.3°C | 51 m |
| Jul 17, 2025 | 4 m | 12.0°C | 4 m |
| Jul 19, 2025 | 158 m | 12.2°C | 71 m |
| Jul 21, 2025 | 15 m | 12.9°C | 14 m |
| Aug 1, 2025 | 22 m | 14.1°C | 18 m |
| Aug 4, 2025 | 21 m | 13.4°C | 15 m |
| Aug 15, 2025 | 35 m | 13.9°C | 23 m |
| Sep 29, 2025 | 49 m | 11.9°C | 42 m |
| Sep 29, 2025 | 57 m | 11.8°C | 52 m |
| Oct 7, 2025 | 98 m | 10.6°C | 64 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
71 m
Deepest dive
2:49
Longest dive
137
Dives
16 m
Avg dive depth
10
Sightings
100
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 (158 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 19, 2025
measured- Seafloor depth
- 158 m
- Sea-surface temperature
- 12.2°C
- Distance from shore
- 4.0 km
Across the residency · 10 sightings
measured- Seafloor depth
- 4 m – 158 m
- Sea-surface temperature
- 10.6°C – 14.1°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 10 catalogued encounters on Happywhale.