Cantilever – Residency
5th sighting in Gulf of Maine
Cantilever @17004
Sep 12 – 16, 2026 · Gulf of Maine
September, Gulf of Maine
Twice this month somebody caught me mid-feed, and the water's rich enough to notice.
47 m
Deepest dive
2:19
Longest dive
25
Dives
- Sightings
- 2
- Days between first and last sighting
- 4
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 12, 2026 | 45 m | — | 31 m |
| Sep 16, 2026 | 51 m | — | 47 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
47 m
Deepest dive
2:19
Longest dive
25
Dives
19 m
Avg dive depth
2
Sightings
4
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 (51 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 16, 2026
measured- Seafloor depth
- 51 m
- Sea-surface temperature
- —
- Distance from shore
- 12.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 45 m – 51 m
- Sea-surface temperature
- —
- Distance from shore
- 12.0 km – 21.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.