Sedge – Residency
26th sighting in Gulf of Maine
Sedge @7334
Jun 5 – Aug 21, 2026 · Gulf of Maine
Gulf Summer, Well Fed
Cold green water, full belly, cameras clicking — this shelf just gets it.
63 m
Deepest dive
2:59
Longest dive
114
Dives
- Sightings
- 7
- Days between first and last sighting
- 76
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 5, 2026 | 82 m | 12.3°C | 37 m |
| Aug 10, 2026 | 74 m | 20.5°C | 61 m |
| Aug 11, 2026 | 31 m | 20.1°C | 28 m |
| Aug 12, 2026 | 46 m | 20.4°C | 41 m |
| Aug 19, 2026 | 47 m | 18.3°C | 38 m |
| Aug 20, 2026 | 77 m | 18.5°C | 63 m |
| Aug 21, 2026 | 48 m | 18.4°C | 43 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
63 m
Deepest dive
2:59
Longest dive
114
Dives
21 m
Avg dive depth
7
Sightings
76
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 · Aug 20, 2026
measured- Seafloor depth
- 77 m
- Sea-surface temperature
- 18.5°C
- Distance from shore
- 14.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 31 m – 82 m
- Sea-surface temperature
- 12.3°C – 20.5°C
- Distance from shore
- 6.0 km – 31.0 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.