Marguerite – Residency
17th sighting in Chatham Strait
Marguerite @6351
Jun 19 – Sep 6, 2026 · Chatham Strait
Chatham Strait, Herring Season
The strait fed me well this whole stretch, plain and good.
234 m
Deepest dive
8:58
Longest dive
49
Dives
- Sightings
- 3
- Days between first and last sighting
- 79
- Deepest dive on record
- 234 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 19, 2026 | 378 m | 9.7°C | 234 m |
| Jun 24, 2026 | 132 m | 11.8°C | 94 m |
| Sep 6, 2026 | 161 m | 13.1°C | 100 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
234 m
Deepest dive
8:58
Longest dive
49
Dives
37 m
Avg dive depth
3
Sightings
79
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 (378 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 19, 2026
measured- Seafloor depth
- 378 m
- Sea-surface temperature
- 9.7°C
- Distance from shore
- 5.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 132 m – 378 m
- Sea-surface temperature
- 9.7°C – 13.1°C
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.