HW-MN0503947 – Residency
4th sighting in Monterey Bay
HW-MN0503947 @147554
Jul 23 – Aug 23, 2026 · Monterey Bay
Late Summer Bloom Run
Cold water's thick with krill and I'm right in the middle of it.
112 m
Deepest dive
5:01
Longest dive
36
Dives
- Sightings
- 4
- Days between first and last sighting
- 31
- Deepest dive on record
- 112 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) |
|---|---|---|---|
| Jul 23, 2026 | 72 m | 17.0°C | 39 m |
| Aug 21, 2026 | 131 m | 16.9°C | 112 m |
| Aug 21, 2026 | 140 m | 16.9°C | 45 m |
| Aug 23, 2026 | 567 m | 15.9°C | 58 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
112 m
Deepest dive
5:01
Longest dive
36
Dives
25 m
Avg dive depth
4
Sightings
31
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 (131 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 21, 2026
measured- Seafloor depth
- 131 m
- Sea-surface temperature
- 16.9°C
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 72 m – 567 m
- Sea-surface temperature
- 15.9°C – 17.0°C
- Distance from shore
- 2.0 km – 16.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.