ACFAS – Residency
4th sighting in Gulf of Maine
ACFAS @65455
Jul 6 – Sep 2, 2025 · Gulf of Maine
Gulf of Maine · Jul – Sep 2025
54 m
Deepest dive
2:47
Longest dive
31
Dives
- Sightings
- 4
- Days between first and last sighting
- 58
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 6, 2025 | 45 m | — | 26 m |
| Jul 20, 2025 | 125 m | — | 47 m |
| Aug 10, 2025 | 46 m | — | 39 m |
| Sep 2, 2025 | 140 m | — | 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
54 m
Deepest dive
2:47
Longest dive
31
Dives
19 m
Avg dive depth
4
Sightings
58
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 (140 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 2, 2025
measured- Seafloor depth
- 140 m
- Sea-surface temperature
- —
- Distance from shore
- 39.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 45 m – 140 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km – 39.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.