Big Dipper – Residency
22nd sighting in Monterey Bay
Big Dipper @375
Jul 12 – Sep 6, 2026 · Monterey Bay
The Shelf Again
Late summer, cold water, good crowd — exactly where I want to be.
219 m
Deepest dive
7:10
Longest dive
28
Dives
- Sightings
- 2
- Days between first and last sighting
- 56
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 12, 2026 | 83 m | 15.8°C | 59 m |
| Sep 6, 2026 | 328 m | 15.5°C | 219 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
219 m
Deepest dive
7:10
Longest dive
28
Dives
26 m
Avg dive depth
2
Sightings
56
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 (328 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 6, 2026
measured- Seafloor depth
- 328 m
- Sea-surface temperature
- 15.5°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 83 m – 328 m
- Sea-surface temperature
- 15.5°C – 15.8°C
- Distance from shore
- 3.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.