2024-2025 calf of Chin Up – Residency
9th sighting in Monterey Bay
2024-2025 calf of Chin Up @143888
Sep 21 – Oct 13, 2026 · Monterey Bay
Second Autumn, Full Speed
Cold water, big lungs, this bay still teaches me everything.
187 m
Deepest dive
6:00
Longest dive
85
Dives
- Sightings
- 8
- Days between first and last sighting
- 22
- Deepest dive on record
- 187 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 21, 2026 | 188 m | — | 65 m |
| Sep 22, 2026 | 163 m | — | 80 m |
| Sep 23, 2026 | 324 m | — | 31 m |
| Sep 27, 2026 | 38 m | — | 29 m |
| Sep 28, 2026 | 89 m | — | 50 m |
| Sep 29, 2026 | 164 m | — | 82 m |
| Sep 30, 2026 | 211 m | — | 48 m |
| Oct 13, 2026 | 254 m | — | 187 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
187 m
Deepest dive
6:00
Longest dive
85
Dives
28 m
Avg dive depth
8
Sightings
22
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 · Oct 13, 2026
measured- Seafloor depth
- 254 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 38 m – 324 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.