Casper – Residency
19th sighting in Glacier Bay & Icy Strait
Casper @26833
Jul 13 – Sep 1, 2026 · Glacier Bay & Icy Strait
Ice-breath season, again the good kind
Late summer in glacier water, and my tail's still the one they know.
103 m
Deepest dive
2:41
Longest dive
78
Dives
- Sightings
- 7
- Days between first and last sighting
- 50
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 13, 2026 | 117 m | 13.2°C | 103 m |
| Jul 22, 2026 | 436 m | 13.2°C | 89 m |
| Aug 10, 2026 | 139 m | 14.4°C | 20 m |
| Aug 29, 2026 | 87 m | 13.9°C | 78 m |
| Aug 30, 2026 | 86 m | 14.1°C | 52 m |
| Aug 31, 2026 | 8 m | 14.2°C | 7 m |
| Sep 1, 2026 | 58 m | 14.0°C | 45 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
103 m
Deepest dive
2:41
Longest dive
78
Dives
22 m
Avg dive depth
7
Sightings
50
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 (117 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 13, 2026
measured- Seafloor depth
- 117 m
- Sea-surface temperature
- 13.2°C
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 8 m – 436 m
- Sea-surface temperature
- 13.2°C – 14.4°C
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.