Merlin – Residency
77th sighting in Salish Sea
Merlin @4925
Sep 12 – 13, 2026 · Salish Sea
Autumn in the Green Water
Cold channels, full belly, boats catching my tail twice this week.
48 m
Deepest dive
2:06
Longest dive
55
Dives
- Sightings
- 2
- Days between first and last sighting
- 1
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 12, 2026 | 32 m | 15.6°C | 25 m |
| Sep 13, 2026 | 55 m | 15.5°C | 48 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
48 m
Deepest dive
2:06
Longest dive
55
Dives
20 m
Avg dive depth
2
Sightings
1
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 (55 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 13, 2026
measured- Seafloor depth
- 55 m
- Sea-surface temperature
- 15.5°C
- Distance from shore
- 4.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 32 m – 55 m
- Sea-surface temperature
- 15.5°C – 15.6°C
- Distance from shore
- 2.0 km – 4.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.