Ziggurat – Residency
91st sighting in Monterey Bay
Ziggurat @63
May 25 – Oct 4, 2026 · Monterey Bay
Monterey Bay, Early Summer
Rolled into these waters again this season, and folks were already waiting with cameras ready.
126 m
Deepest dive
3:58
Longest dive
74
Dives
- Sightings
- 6
- Days between first and last sighting
- 131
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 25, 2026 | 1,171 m | 13.3°C | 41 m |
| May 29, 2026 | 567 m | 13.3°C | 126 m |
| May 31, 2026 | 692 m | 12.9°C | 107 m |
| Jul 4, 2026 | 241 m | 15.8°C | 73 m |
| Aug 4, 2026 | 81 m | 17.3°C | 55 m |
| Oct 4, 2026 | 197 m | 17.9°C | 43 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
126 m
Deepest dive
3:58
Longest dive
74
Dives
27 m
Avg dive depth
6
Sightings
131
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 (567 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 29, 2026
measured- Seafloor depth
- 567 m
- Sea-surface temperature
- 13.3°C
- Distance from shore
- 16.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 81 m – 1,171 m
- Sea-surface temperature
- 12.9°C – 17.9°C
- Distance from shore
- 3.0 km – 16.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.