Memorial – Residency
19th sighting in Gulf of MaineMemorial @75545
Jul 11 – Sep 25, 2025 · Gulf of Maine
Gulf of Maine · Jul – Sep 2025
53 m
Deepest dive
2:47
Longest dive
106
Dives
- Sightings
- 9
- 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) |
|---|---|---|---|
| Jul 11, 2025 | 57 m | — | 45 m |
| Jul 30, 2025 | 30 m | — | 25 m |
| Aug 2, 2025 | 47 m | — | 38 m |
| Aug 13, 2025 | 58 m | — | 43 m |
| Aug 24, 2025 | 54 m | — | 38 m |
| Aug 25, 2025 | 28 m | — | 20 m |
| Aug 31, 2025 | 28 m | — | 23 m |
| Sep 16, 2025 | 18 m | — | 17 m |
| Sep 25, 2025 | 72 m | — | 53 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
53 m
Deepest dive
2:47
Longest dive
106
Dives
16 m
Avg dive depth
9
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 (72 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 25, 2025
measured- Seafloor depth
- 72 m
- Sea-surface temperature
- —
- Distance from shore
- 7.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 18 m – 72 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 7.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.