Graybo – Residency
40th sighting in Monterey Bay
Graybo @93972
Apr 6 – Jun 25, 2025 · Monterey Bay
Monterey Bay · Apr – Jun 2025
101 m
Deepest dive
4:51
Longest dive
54
Dives
- Sightings
- 8
- Days between first and last sighting
- 80
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Apr 6, 2025 | 83 m | 12.8°C | 70 m |
| Apr 10, 2025 | 174 m | 12.9°C | 39 m |
| Apr 12, 2025 | 258 m | 12.8°C | 101 m |
| Apr 12, 2025 | 567 m | 12.6°C | 71 m |
| Apr 18, 2025 | 63 m | 12.3°C | 48 m |
| Apr 20, 2025 | 63 m | 12.6°C | 51 m |
| Jun 25, 2025 | -6 m | 12.2°C | — |
| Jun 25, 2025 | -18 m | 12.2°C | — |
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
101 m
Deepest dive
4:51
Longest dive
54
Dives
25 m
Avg dive depth
8
Sightings
80
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 (258 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Apr 12, 2025
measured- Seafloor depth
- 258 m
- Sea-surface temperature
- 12.8°C
- Distance from shore
- 14.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- -18 m – 567 m
- Sea-surface temperature
- 12.2°C – 12.9°C
- Distance from shore
- 3.0 km – 16.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.