164816 – Residency
4th sighting in Gulf of Maine
164816 @164816
Sep 9 – Oct 8, 2026 · Gulf of Maine
Gulf of Maine · Sep – Oct 2026
50 m
Deepest dive
1:52
Longest dive
42
Dives
- Sightings
- 4
- Days between first and last sighting
- 29
- Deepest dive on record
- 50 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 9, 2026 | 23 m | — | 16 m |
| Sep 12, 2026 | 51 m | — | 44 m |
| Sep 13, 2026 | 57 m | — | 50 m |
| Oct 8, 2026 | 28 m | — | 20 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
50 m
Deepest dive
1:52
Longest dive
42
Dives
15 m
Avg dive depth
4
Sightings
29
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 (57 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 13, 2026
measured- Seafloor depth
- 57 m
- Sea-surface temperature
- —
- Distance from shore
- 19.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 23 m – 57 m
- Sea-surface temperature
- —
- Distance from shore
- 13.0 km – 25.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.