HW-MN0503964 – Residency
8th sighting in Monterey Bay
HW-MN0503964 @147571
Sep 5 – 10, 2026 · Monterey Bay
September, thick with feed
Canyon's pushing up good water — I keep getting caught eating.
96 m
Deepest dive
4:20
Longest dive
52
Dives
- Sightings
- 5
- Days between first and last sighting
- 5
- Deepest dive on record
- 96 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 5, 2026 | 109 m | 15.9°C | 65 m |
| Sep 5, 2026 | 110 m | 16.0°C | 83 m |
| Sep 7, 2026 | 262 m | 15.9°C | 72 m |
| Sep 8, 2026 | 278 m | 15.9°C | 96 m |
| Sep 10, 2026 | 178 m | 17.7°C | 48 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
96 m
Deepest dive
4:20
Longest dive
52
Dives
30 m
Avg dive depth
5
Sightings
5
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 (278 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 8, 2026
measured- Seafloor depth
- 278 m
- Sea-surface temperature
- 15.9°C
- Distance from shore
- 4.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 109 m – 278 m
- Sea-surface temperature
- 15.9°C – 17.7°C
- Distance from shore
- 3.0 km – 4.0 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.