Hourglass – Residency
8th sighting in Salish Sea
Hourglass @16926
Jun 10 – Sep 2, 2025 · Salish Sea
Salish Sea · Jun – Sep 2025
170 m
Deepest dive
6:13
Longest dive
122
Dives
- Sightings
- 7
- Days between first and last sighting
- 85
- Deepest dive on record
- 170 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 10, 2025 | 99 m | — | 84 m |
| Jul 13, 2025 | 226 m | — | 129 m |
| Jul 16, 2025 | 465 m | — | 170 m |
| Jul 31, 2025 | 190 m | — | 36 m |
| Aug 8, 2025 | 231 m | — | 41 m |
| Aug 31, 2025 | 99 m | — | 85 m |
| Sep 2, 2025 | 31 m | — | 28 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
170 m
Deepest dive
6:13
Longest dive
122
Dives
23 m
Avg dive depth
7
Sightings
85
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 (465 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 16, 2025
measured- Seafloor depth
- 465 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 31 m – 465 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.