Merge – Residency
9th sighting in Johnstone Strait & Broughton
Merge @7576
Aug 13 – Sep 13, 2026 · Johnstone Strait & Broughton
Late Summer, Logged Twice
Two looks this month, one long ledger of a whale.
71 m
Deepest dive
2:53
Longest dive
9
Dives
- Sightings
- 2
- Days between first and last sighting
- 31
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 13, 2026 | 138 m | 14.4°C | 53 m |
| Sep 13, 2026 | 84 m | — | 71 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
71 m
Deepest dive
2:53
Longest dive
9
Dives
34 m
Avg dive depth
2
Sightings
31
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 (84 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 13, 2026
measured- Seafloor depth
- 84 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 84 m – 138 m
- Sea-surface temperature
- 14.4°C
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.