Boomerang – Residency
4th sighting in Gulf of Maine
Boomerang @7493
May 1 – Jun 19, 2026 · Gulf of Maine
The Shelf Delivers Again
Sand lance thick, company good, the green water knows me.
87 m
Deepest dive
3:38
Longest dive
27
Dives
- Sightings
- 3
- Days between first and last sighting
- 49
- Deepest dive on record
- 87 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) |
|---|---|---|---|
| May 1, 2026 | 98 m | 7.4°C | 87 m |
| Jun 13, 2026 | 25 m | 17.8°C | 21 m |
| Jun 19, 2026 | 25 m | 16.1°C | 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
87 m
Deepest dive
3:38
Longest dive
27
Dives
20 m
Avg dive depth
3
Sightings
49
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 (98 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 1, 2026
measured- Seafloor depth
- 98 m
- Sea-surface temperature
- 7.4°C
- Distance from shore
- 29.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 25 m – 98 m
- Sea-surface temperature
- 7.4°C – 17.8°C
- Distance from shore
- 15.0 km – 29.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.