Maelstrom – Residency
11th sighting in Gulf of Maine
Maelstrom @10592
Aug 7 – 16, 2025 · Gulf of Maine
Gulf of Maine · Aug 2025
73 m
Deepest dive
3:28
Longest dive
36
Dives
- Sightings
- 3
- Days between first and last sighting
- 9
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 7, 2025 | 49 m | — | 36 m |
| Aug 12, 2025 | 73 m | — | 66 m |
| Aug 16, 2025 | 95 m | — | 73 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
73 m
Deepest dive
3:28
Longest dive
36
Dives
25 m
Avg dive depth
3
Sightings
9
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 (95 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 16, 2025
measured- Seafloor depth
- 95 m
- Sea-surface temperature
- —
- Distance from shore
- 20.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 49 m – 95 m
- Sea-surface temperature
- —
- Distance from shore
- 6.0 km – 20.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.