Opal – Residency
22nd sighting in Kachemak Bay & Lower Cook Inlet
Opal @5863
Aug 8 – Sep 3, 2025 · Kachemak Bay & Lower Cook Inlet
Kachemak Bay & Lower Cook Inlet · Aug – Sep 2025
70 m
Deepest dive
2:46
Longest dive
35
Dives
- Sightings
- 3
- Days between first and last sighting
- 26
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 8, 2025 | 64 m | — | 55 m |
| Aug 9, 2025 | 80 m | — | 70 m |
| Sep 3, 2025 | 24 m | — | 19 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
70 m
Deepest dive
2:46
Longest dive
35
Dives
17 m
Avg dive depth
3
Sightings
26
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 (80 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 9, 2025
measured- Seafloor depth
- 80 m
- Sea-surface temperature
- —
- Distance from shore
- 6.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 24 m – 80 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.