HW-MN0503854 – Residency
5th sighting in Monterey Bay
HW-MN0503854 @142471
Sep 3 – 4, 2026 · Monterey Bay
The Green Shelf Delivers
Crowded surface, full mouth, my bay never short-changes me.
123 m
Deepest dive
4:26
Longest dive
31
Dives
- Sightings
- 2
- Days between first and last sighting
- 1
- Deepest dive on record
- 123 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 3, 2026 | 209 m | 15.3°C | 123 m |
| Sep 4, 2026 | 504 m | 15.6°C | 31 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
123 m
Deepest dive
4:26
Longest dive
31
Dives
25 m
Avg dive depth
2
Sightings
1
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 (209 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 3, 2026
measured- Seafloor depth
- 209 m
- Sea-surface temperature
- 15.3°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 209 m – 504 m
- Sea-surface temperature
- 15.3°C – 15.6°C
- Distance from shore
- 6.0 km – 10.0 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.