Antediluvian – Residency
22nd sighting in Glacier Bay & Icy Strait
Antediluvian @5833
Jul 17 – Sep 4, 2025 · Glacier Bay & Icy Strait
Glacier Bay & Icy Strait · Jul – Sep 2025
86 m
Deepest dive
3:14
Longest dive
88
Dives
- Sightings
- 7
- Days between first and last sighting
- 49
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 17, 2025 | 4 m | 12.0°C | 4 m |
| Jul 24, 2025 | 139 m | 14.0°C | 86 m |
| Jul 25, 2025 | 100 m | 13.4°C | 46 m |
| Aug 2, 2025 | 116 m | 14.4°C | 76 m |
| Aug 13, 2025 | 22 m | 14.0°C | 20 m |
| Aug 30, 2025 | 191 m | 14.9°C | 23 m |
| Sep 4, 2025 | 74 m | 14.9°C | 52 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
86 m
Deepest dive
3:14
Longest dive
88
Dives
19 m
Avg dive depth
7
Sightings
49
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 (139 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 24, 2025
measured- Seafloor depth
- 139 m
- Sea-surface temperature
- 14.0°C
- Distance from shore
- 1.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 4 m – 191 m
- Sea-surface temperature
- 12.0°C – 14.9°C
- Distance from shore
- 1.0 km – 2.0 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.