Sirius – Residency
19th sighting in Salish SeaSirius @4185
Jun 19 – Oct 12, 2026 · Salish Sea
Home Water, Herring Thick
Nine summers in, and these channels still hum right through my skin.
107 m
Deepest dive
3:59
Longest dive
77
Dives
- Sightings
- 6
- Days between first and last sighting
- 115
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 19, 2026 | 178 m | 15.4°C | 79 m |
| Jun 26, 2026 | 151 m | 14.6°C | 31 m |
| Jul 2, 2026 | 172 m | 12.9°C | 52 m |
| Jul 3, 2026 | 180 m | 13.1°C | 79 m |
| Sep 27, 2026 | 188 m | — | 107 m |
| Oct 12, 2026 | 173 m | — | 35 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
107 m
Deepest dive
3:59
Longest dive
77
Dives
25 m
Avg dive depth
6
Sightings
115
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 (188 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 27, 2026
measured- Seafloor depth
- 188 m
- Sea-surface temperature
- —
- Distance from shore
- 10.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 151 m – 188 m
- Sea-surface temperature
- 12.9°C – 15.4°C
- Distance from shore
- 4.0 km – 10.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.