HW-MN0524251 – Residency
5th sighting in Monterey Bay
HW-MN0524251 @133503
Sep 2 – 17, 2026 · Monterey Bay
Autumn Crowd, Same Water
Cold water folding up, and faces at the surface I'm starting to know.
164 m
Deepest dive
5:24
Longest dive
116
Dives
- Sightings
- 5
- Days between first and last sighting
- 15
- Deepest dive on record
- 164 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 2, 2026 | 73 m | 15.3°C | 58 m |
| Sep 2, 2026 | 186 m | 15.4°C | 164 m |
| Sep 3, 2026 | 248 m | 15.3°C | 98 m |
| Sep 4, 2026 | 504 m | 15.6°C | 100 m |
| Sep 17, 2026 | 107 m | 15.6°C | 97 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
164 m
Deepest dive
5:24
Longest dive
116
Dives
27 m
Avg dive depth
5
Sightings
15
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 (186 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 2, 2026
measured- Seafloor depth
- 186 m
- Sea-surface temperature
- 15.4°C
- Distance from shore
- 3.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 73 m – 504 m
- Sea-surface temperature
- 15.3°C – 15.6°C
- Distance from shore
- 3.0 km – 10.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.