Spell – Residency
24th sighting in Gulf of Maine
Spell @15312
Jun 19 – Sep 12, 2026 · Gulf of Maine
Full Summer on the Shelf
Sand lance thick, boats frequent, me exactly where I ought to be.
36 m
Deepest dive
1:50
Longest dive
119
Dives
- Sightings
- 8
- Days between first and last sighting
- 85
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 19, 2026 | 24 m | 16.0°C | 20 m |
| Jun 20, 2026 | 28 m | 15.9°C | 25 m |
| Jul 3, 2026 | 36 m | 19.9°C | 31 m |
| Jul 11, 2026 | 22 m | 20.4°C | 13 m |
| Aug 8, 2026 | 28 m | 21.0°C | 25 m |
| Aug 25, 2026 | 22 m | 20.4°C | 19 m |
| Aug 28, 2026 | 31 m | 20.2°C | 16 m |
| Sep 12, 2026 | 83 m | — | 36 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
36 m
Deepest dive
1:50
Longest dive
119
Dives
13 m
Avg dive depth
8
Sightings
85
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 (83 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 12, 2026
measured- Seafloor depth
- 83 m
- Sea-surface temperature
- —
- Distance from shore
- 24.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- 22 m – 83 m
- Sea-surface temperature
- 15.9°C – 21.0°C
- Distance from shore
- 10.0 km – 25.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.