HW-MN0104310 – Residency
20th sighting in IcelandHW-MN0104310 @142092
Jun 12 – Oct 21, 2026 · Iceland
Same Grey Water, Again
Shallow, familiar, full of food—why leave?
49 m
Deepest dive
2:26
Longest dive
223
Dives
- Sightings
- 19
- Days between first and last sighting
- 131
- Deepest dive on record
- 49 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 12, 2026 | 56 m | 10.3°C | 47 m |
| Jun 13, 2026 | 35 m | 10.7°C | 31 m |
| Jul 17, 2026 | 28 m | 10.2°C | 23 m |
| Jul 18, 2026 | 34 m | 10.2°C | 20 m |
| Jul 19, 2026 | 17 m | 10.2°C | 15 m |
| Jul 24, 2026 | 19 m | 11.2°C | 17 m |
| Jul 26, 2026 | 21 m | 11.2°C | 13 m |
| Aug 10, 2026 | 77 m | 11.3°C | 43 m |
| Sep 8, 2026 | 46 m | 11.4°C | 36 m |
| Sep 11, 2026 | 56 m | — | 45 m |
| Sep 15, 2026 | 18 m | — | 16 m |
| Sep 18, 2026 | 22 m | — | 16 m |
| Sep 27, 2026 | 32 m | — | 18 m |
| Sep 28, 2026 | 22 m | — | 19 m |
| Oct 7, 2026 | 50 m | — | 46 m |
| Oct 7, 2026 | 40 m | — | 32 m |
| Oct 11, 2026 | 19 m | — | 14 m |
| Oct 12, 2026 | 55 m | — | 49 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
49 m
Deepest dive
2:26
Longest dive
223
Dives
14 m
Avg dive depth
19
Sightings
131
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 (55 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 12, 2026
measured- Seafloor depth
- 55 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 19 sightings
measured- Seafloor depth
- 17 m – 77 m
- Sea-surface temperature
- 10.2°C – 11.4°C
- Distance from shore
- 3.0 km – 22.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 19 catalogued encounters on Happywhale.