Hopper – Residency
3rd sighting in Gulf of Maine
Hopper @29655
Sep 17 – 24, 2026 · Gulf of Maine
September, Cold and Reliable
Shelf water's cold again this year, feed's thick, I'm staying put.
31 m
Deepest dive
1:36
Longest dive
19
Dives
- Sightings
- 2
- Days between first and last sighting
- 7
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 17, 2026 | 34 m | — | 25 m |
| Sep 24, 2026 | 46 m | — | 31 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
31 m
Deepest dive
1:36
Longest dive
19
Dives
15 m
Avg dive depth
2
Sightings
7
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 (46 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 24, 2026
measured- Seafloor depth
- 46 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 34 m – 46 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.