Niagara – Residency
23rd sighting in Salish Sea
Niagara @6489
Aug 17 – Sep 16, 2023 · Salish Sea
August in the Salish Sea
The familiar currents called me back to these sheltered waters again.
170 m
Deepest dive
5:06
Longest dive
30
Dives
- Sightings
- 4
- Days between first and last sighting
- 30
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 17, 2023 | 199 m | 18.2°C | 170 m |
| Aug 21, 2023 | 320 m | 17.1°C | 33 m |
| Aug 23, 2023 | 323 m | 16.9°C | 74 m |
| Sep 16, 2023 | 276 m | 17.2°C | 88 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
5:06
Longest dive
30
Dives
32 m
Avg dive depth
4
Sightings
30
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 (199 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 17, 2023
measured- Seafloor depth
- 199 m
- Sea-surface temperature
- 18.2°C
- Distance from shore
- 12.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 199 m – 323 m
- Sea-surface temperature
- 16.9°C – 18.2°C
- Distance from shore
- 6.0 km – 12.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.