Four – Residency
8th sighting in Gulf of Maine
Four @22514
Jul 25 – Oct 11, 2026 · Gulf of Maine
Green Shelf, Late Summer
Warm on top, sand close below, and still more bay to find.
51 m
Deepest dive
1:46
Longest dive
52
Dives
- Sightings
- 4
- Days between first and last sighting
- 78
- Deepest dive on record
- 51 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 25, 2026 | 77 m | 18.6°C | 51 m |
| Aug 28, 2026 | 31 m | 20.2°C | 26 m |
| Sep 12, 2026 | 40 m | 19.0°C | 33 m |
| Oct 11, 2026 | 28 m | — | 24 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
51 m
Deepest dive
1:46
Longest dive
52
Dives
17 m
Avg dive depth
4
Sightings
78
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 (77 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 25, 2026
measured- Seafloor depth
- 77 m
- Sea-surface temperature
- 18.6°C
- Distance from shore
- 56.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 28 m – 77 m
- Sea-surface temperature
- 18.6°C – 20.2°C
- Distance from shore
- 13.0 km – 56.0 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.