Hemlock – Residency
88th sighting in Salish Sea
Hemlock @5001
Jun 29 – Nov 23, 2024 · Salish Sea
Salish Sea · Jun – Nov 2024
109 m
Deepest dive
5:37
Longest dive
161
Dives
- Sightings
- 13
- Days between first and last sighting
- 147
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 29, 2024 | 167 m | 10.5°C | 47 m |
| Jul 4, 2024 | 159 m | 11.0°C | 109 m |
| Jul 7, 2024 | 121 m | 11.8°C | 79 m |
| Jul 11, 2024 | 152 m | 12.4°C | 78 m |
| Jul 12, 2024 | 122 m | 12.4°C | 65 m |
| Jul 26, 2024 | 145 m | 11.4°C | 71 m |
| Jul 26, 2024 | 181 m | 11.3°C | 99 m |
| Aug 22, 2024 | 130 m | 10.6°C | 50 m |
| Sep 15, 2024 | 32 m | 12.9°C | 29 m |
| Sep 21, 2024 | 109 m | 14.2°C | 72 m |
| Sep 21, 2024 | 110 m | 14.2°C | 96 m |
| Oct 15, 2024 | 141 m | 11.0°C | 70 m |
| Nov 23, 2024 | 172 m | 9.2°C | 87 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
109 m
Deepest dive
5:37
Longest dive
161
Dives
29 m
Avg dive depth
13
Sightings
147
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 (159 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 4, 2024
measured- Seafloor depth
- 159 m
- Sea-surface temperature
- 11.0°C
- Distance from shore
- 8.0 km
Across the residency · 13 sightings
measured- Seafloor depth
- 32 m – 181 m
- Sea-surface temperature
- 9.2°C – 14.2°C
- Distance from shore
- 2.0 km – 10.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 13 catalogued encounters on Happywhale.