Sirius – Residency
8th sighting in Gulf of Maine
Sirius @17016
Jun 13 – Sep 10, 2026 · Gulf of Maine
Shelf Water Summer
Thick feed, gold light coming early, and my back kept breaking the surface.
25 m
Deepest dive
1:13
Longest dive
49
Dives
- Sightings
- 5
- Days between first and last sighting
- 89
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 13, 2026 | 28 m | 17.9°C | 23 m |
| Jun 27, 2026 | 27 m | 17.9°C | 25 m |
| Jun 29, 2026 | 28 m | 17.9°C | 23 m |
| Jun 29, 2026 | 27 m | 17.9°C | 16 m |
| Sep 10, 2026 | 24 m | 19.7°C | 22 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
25 m
Deepest dive
1:13
Longest dive
49
Dives
11 m
Avg dive depth
5
Sightings
89
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 (27 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 27, 2026
measured- Seafloor depth
- 27 m
- Sea-surface temperature
- 17.9°C
- Distance from shore
- 11.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 24 m – 28 m
- Sea-surface temperature
- 17.9°C – 19.7°C
- Distance from shore
- 11.0 km – 25.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.