Foster Mom – Residency
97th sighting in Monterey Bay
Foster Mom @3125
Nov 15 – Dec 20, 2025 · Monterey Bay
Monterey December Rhythm
Same currents, same comfort, just how I like my winter days.
105 m
Deepest dive
5:12
Longest dive
57
Dives
- Sightings
- 5
- Days between first and last sighting
- 35
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Nov 15, 2025 | 82 m | 14.5°C | 44 m |
| Dec 18, 2025 | 95 m | 15.1°C | 60 m |
| Dec 18, 2025 | 121 m | 15.1°C | 42 m |
| Dec 19, 2025 | 75 m | 14.7°C | 34 m |
| Dec 20, 2025 | 538 m | 14.5°C | 105 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
105 m
Deepest dive
5:12
Longest dive
57
Dives
22 m
Avg dive depth
5
Sightings
35
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 (538 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 20, 2025
measured- Seafloor depth
- 538 m
- Sea-surface temperature
- 14.5°C
- Distance from shore
- 10.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 75 m – 538 m
- Sea-surface temperature
- 14.5°C – 15.1°C
- Distance from shore
- 3.0 km – 11.0 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.