Bolide – Residency
17th sighting in Gulf of Maine
Bolide @17010
Jun 21 – Sep 12, 2026 · Gulf of Maine
Sand Lance Season, Full Tilt
Shallow water, cold bottom, every surface a crowd of old faces.
50 m
Deepest dive
2:22
Longest dive
41
Dives
- Sightings
- 7
- Days between first and last sighting
- 83
- 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) |
|---|---|---|---|
| Jun 21, 2026 | 37 m | 15.2°C | 33 m |
| Jul 3, 2026 | 38 m | 19.9°C | 32 m |
| Jul 3, 2026 | 38 m | 19.9°C | 29 m |
| Aug 25, 2026 | 22 m | 20.4°C | 19 m |
| Aug 27, 2026 | 58 m | 20.6°C | 50 m |
| Aug 28, 2026 | 30 m | 20.2°C | 23 m |
| Sep 12, 2026 | 80 m | — | 27 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
2:22
Longest dive
41
Dives
17 m
Avg dive depth
7
Sightings
83
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 (58 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 27, 2026
measured- Seafloor depth
- 58 m
- Sea-surface temperature
- 20.6°C
- Distance from shore
- 4.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 22 m – 80 m
- Sea-surface temperature
- 15.2°C – 20.6°C
- Distance from shore
- 4.0 km – 49.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.