MightyMary – Residency
13th sighting in Chatham Strait
MightyMary @26839
Jun 25 – Jul 10, 2025 · Chatham Strait
Chatham Strait · Jun – Jul 2025
47 m
Deepest dive
2:25
Longest dive
32
Dives
- Sightings
- 2
- Days between first and last sighting
- 15
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 25, 2025 | 44 m | 11.0°C | 39 m |
| Jul 10, 2025 | 61 m | 12.8°C | 47 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
47 m
Deepest dive
2:25
Longest dive
32
Dives
18 m
Avg dive depth
2
Sightings
15
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 (61 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 10, 2025
measured- Seafloor depth
- 61 m
- Sea-surface temperature
- 12.8°C
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 44 m – 61 m
- Sea-surface temperature
- 11.0°C – 12.8°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 2 catalogued encounters on Happywhale.