Opal – Residency
6th sighting in Gulf of MaineOpal @45240
Jun 30 – Jul 16, 2026 · Gulf of Maine
Gulf Days, Good Company
Mid-summer feeding, cold water, my tail turning heads twice this stretch.
90 m
Deepest dive
3:09
Longest dive
22
Dives
- Sightings
- 2
- Days between first and last sighting
- 16
- Deepest dive on record
- 90 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 30, 2026 | 199 m | 12.6°C | 90 m |
| Jul 16, 2026 | 135 m | 12.2°C | 54 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
90 m
Deepest dive
3:09
Longest dive
22
Dives
31 m
Avg dive depth
2
Sightings
16
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 (199 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 30, 2026
measured- Seafloor depth
- 199 m
- Sea-surface temperature
- 12.6°C
- Distance from shore
- 13.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 135 m – 199 m
- Sea-surface temperature
- 12.2°C – 12.6°C
- Distance from shore
- 8.0 km – 13.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.