HW-MN0503954 – Residency
8th sighting in Monterey Bay
HW-MN0503954 @147561
Oct 13 – Nov 3, 2025 · Monterey Bay
Monterey Bay · Oct – Nov 2025
268 m
Deepest dive
11:58
Longest dive
80
Dives
- Sightings
- 8
- Days between first and last sighting
- 21
- Deepest dive on record
- 268 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) |
|---|---|---|---|
| Oct 13, 2025 | 102 m | — | 35 m |
| Oct 16, 2025 | 108 m | — | 80 m |
| Oct 16, 2025 | 254 m | — | 95 m |
| Oct 19, 2025 | 567 m | — | 268 m |
| Oct 25, 2025 | 164 m | — | 118 m |
| Oct 27, 2025 | 66 m | — | 25 m |
| Oct 29, 2025 | 73 m | — | 51 m |
| Nov 3, 2025 | 73 m | — | 42 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
268 m
Deepest dive
11:58
Longest dive
80
Dives
34 m
Avg dive depth
8
Sightings
21
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 · Oct 19, 2025
measured- Seafloor depth
- 567 m
- Sea-surface temperature
- —
- Distance from shore
- 16.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 66 m – 567 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 16.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.