Dome – Residency
24th sighting in Gulf of Maine
Dome @7732
May 2 – Oct 10, 2026 · Gulf of Maine
This Shelf, This Light
Sand lance boiling green again told me exactly where to be.
45 m
Deepest dive
2:05
Longest dive
97
Dives
- Sightings
- 8
- Days between first and last sighting
- 161
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 2, 2026 | 36 m | 7.2°C | 32 m |
| Jun 19, 2026 | 27 m | 16.2°C | 24 m |
| Jun 27, 2026 | 59 m | 17.2°C | 25 m |
| Jul 10, 2026 | 20 m | 20.7°C | 18 m |
| Jul 20, 2026 | 28 m | 18.5°C | 23 m |
| Sep 12, 2026 | 40 m | 19.0°C | 30 m |
| Sep 13, 2026 | 62 m | — | 45 m |
| Oct 10, 2026 | 28 m | — | 23 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
45 m
Deepest dive
2:05
Longest dive
97
Dives
13 m
Avg dive depth
8
Sightings
161
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 (62 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 13, 2026
measured- Seafloor depth
- 62 m
- Sea-surface temperature
- —
- Distance from shore
- 19.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 20 m – 62 m
- Sea-surface temperature
- 7.2°C – 20.7°C
- Distance from shore
- 11.0 km – 27.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.