HW-MN0503802 – Residency
8th sighting in Monterey Bay
HW-MN0503802 @142124
Sep 1 – Oct 4, 2026 · Monterey Bay
Autumn on the Shelf
September had me up in that green light plenty, right where I meant to be.
239 m
Deepest dive
8:48
Longest dive
114
Dives
- Sightings
- 8
- Days between first and last sighting
- 33
- Deepest dive on record
- 239 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 1, 2026 | 297 m | 15.2°C | 97 m |
| Sep 2, 2026 | 186 m | 15.4°C | 148 m |
| Sep 5, 2026 | 110 m | 16.0°C | 92 m |
| Sep 6, 2026 | 328 m | 15.5°C | 239 m |
| Sep 25, 2026 | 65 m | — | 33 m |
| Sep 28, 2026 | 73 m | — | 58 m |
| Sep 29, 2026 | 172 m | — | 95 m |
| Oct 4, 2026 | 254 m | — | 35 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
239 m
Deepest dive
8:48
Longest dive
114
Dives
31 m
Avg dive depth
8
Sightings
33
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 · 8 sightings
measured- Seafloor depth
- 65 m – 328 m
- Sea-surface temperature
- 15.2°C – 16.0°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 8 catalogued encounters on Happywhale.