2020-2021 calf of Chin Up – Residency
88th sighting in Monterey Bay
2020-2021 calf of Chin Up @68156
Jun 25 – Sep 30, 2026 · Monterey Bay
Same Green Shelf, Again
Summer's long, I just stayed where the water drops deep.
107 m
Deepest dive
3:28
Longest dive
106
Dives
- Sightings
- 9
- Days between first and last sighting
- 97
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 25, 2026 | 88 m | 16.3°C | 64 m |
| Jul 1, 2026 | 27 m | 15.6°C | 24 m |
| Jul 9, 2026 | 567 m | 15.7°C | 31 m |
| Sep 8, 2026 | 127 m | 15.8°C | 22 m |
| Sep 16, 2026 | 265 m | 15.7°C | 53 m |
| Sep 27, 2026 | 254 m | 16.6°C | 107 m |
| Sep 28, 2026 | 73 m | 16.5°C | 58 m |
| Sep 29, 2026 | 152 m | 16.7°C | 64 m |
| Sep 30, 2026 | 127 m | 16.6°C | 53 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
107 m
Deepest dive
3:28
Longest dive
106
Dives
18 m
Avg dive depth
9
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 (254 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 27, 2026
measured- Seafloor depth
- 254 m
- Sea-surface temperature
- 16.6°C
- Distance from shore
- 4.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 27 m – 567 m
- Sea-surface temperature
- 15.6°C – 16.7°C
- Distance from shore
- 2.0 km – 16.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.