Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

Helix – Residency

69th sighting in Lynn Canal & Stephens Passage
Fluke of Helix
Helix Confirmed in the catalog @83824
Jun 10 – Sep 14, 2026 · Lynn Canal & Stephens Passage

Same Green Water, Again

Whole summer here, same tides, same scarred old self.

101 m
Deepest dive
4:50
Longest dive
710
Dives
Sightings
51
Days between first and last sighting
95

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 10, 202694 m9.8°C35 m
Jun 22, 202691 m11.4°C74 m
Jun 23, 202673 m11.5°C49 m
Jun 24, 202649 m11.4°C36 m
Jun 25, 2026105 m11.5°C48 m
Jun 29, 2026112 m11.7°C55 m
Jul 5, 2026106 m11.7°C81 m
Jul 7, 202697 m12.1°C84 m
Jul 7, 202674 m12.1°C63 m
Jul 16, 202695 m13.1°C33 m
Jul 17, 202676 m13.1°C66 m
Jul 21, 2026129 m13.0°C100 m
Jul 22, 202692 m13.3°C37 m
Jul 23, 202676 m13.5°C40 m
Jul 25, 2026137 m13.0°C89 m
Jul 26, 2026111 m13.1°C40 m
Jul 27, 202690 m13.0°C81 m
Jul 30, 202695 m13.1°C54 m

Seafloor and sea temperature measured · ✳ dives modelled ·

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jun 10, 2026 — seafloor 94 m (measured), deepest dive 35 m (modelled)Jun 10Jun 22, 2026 — seafloor 91 m (measured), deepest dive 74 m (modelled)Jun 23, 2026 — seafloor 73 m (measured), deepest dive 49 m (modelled)Jun 24, 2026 — seafloor 49 m (measured), deepest dive 36 m (modelled)Jun 25, 2026 — seafloor 105 m (measured), deepest dive 48 m (modelled)Jun 29, 2026 — seafloor 112 m (measured), deepest dive 55 m (modelled)Jul 5, 2026 — seafloor 106 m (measured), deepest dive 81 m (modelled)Jul 7, 2026 — seafloor 97 m (measured), deepest dive 84 m (modelled)Jul 7, 2026 — seafloor 74 m (measured), deepest dive 63 m (modelled)Jul 16, 2026 — seafloor 95 m (measured), deepest dive 33 m (modelled)Jul 16Jul 17, 2026 — seafloor 76 m (measured), deepest dive 66 m (modelled)Jul 21, 2026 — seafloor 129 m (measured), deepest dive 100 m (modelled)Jul 22, 2026 — seafloor 92 m (measured), deepest dive 37 m (modelled)Jul 23, 2026 — seafloor 76 m (measured), deepest dive 40 m (modelled)Jul 25, 2026 — seafloor 137 m (measured), deepest dive 89 m (modelled)Jul 26, 2026 — seafloor 111 m (measured), deepest dive 40 m (modelled)Jul 27, 2026 — seafloor 90 m (measured), deepest dive 81 m (modelled)Jul 30, 2026 — seafloor 95 m (measured), deepest dive 54 m (modelled)Jul 31, 2026 — seafloor 68 m (measured), deepest dive 44 m (modelled)Jul 31Aug 2, 2026 — seafloor 102 m (measured), deepest dive 74 m (modelled)Aug 5, 2026 — seafloor 115 m (measured), deepest dive 69 m (modelled)Aug 7, 2026 — seafloor 112 m (measured), deepest dive 55 m (modelled)Aug 9, 2026 — seafloor 91 m (measured), deepest dive 81 m (modelled)Aug 10, 2026 — seafloor 91 m (measured), deepest dive 65 m (modelled)Aug 11, 2026 — seafloor 190 m (measured), deepest dive 83 m (modelled)Aug 12, 2026 — seafloor 89 m (measured), deepest dive 78 m (modelled)Aug 13, 2026 — seafloor 158 m (measured), deepest dive 86 m (modelled)Aug 14, 2026 — seafloor 112 m (measured), deepest dive 74 m (modelled)Aug 14Aug 15, 2026 — seafloor 116 m (measured), deepest dive 101 m (modelled)Aug 16, 2026 — seafloor 87 m (measured), deepest dive 68 m (modelled)Aug 17, 2026 — seafloor 61 m (measured), deepest dive 38 m (modelled)Aug 22, 2026 — seafloor 72 m (measured), deepest dive 51 m (modelled)Aug 23, 2026 — seafloor 88 m (measured), deepest dive 64 m (modelled)Aug 24, 2026 — seafloor 106 m (measured), deepest dive 81 m (modelled)Aug 25, 2026 — seafloor 72 m (measured), deepest dive 54 m (modelled)Aug 26, 2026 — seafloor 83 m (measured), deepest dive 67 m (modelled)Aug 27, 2026 — seafloor 93 m (measured), deepest dive 68 m (modelled)Aug 27Aug 28, 2026 — seafloor 115 m (measured), deepest dive 94 m (modelled)Aug 29, 2026 — seafloor 102 m (measured), deepest dive 86 m (modelled)Aug 30, 2026 — seafloor 88 m (measured), deepest dive 81 m (modelled)Aug 31, 2026 — seafloor 42 m (measured), deepest dive 31 m (modelled)Sep 1, 2026 — seafloor 98 m (measured), deepest dive 68 m (modelled)Sep 4, 2026 — seafloor 105 m (measured), deepest dive 34 m (modelled)Sep 5, 2026 — seafloor 116 m (measured), deepest dive 81 m (modelled)Sep 7, 2026 — seafloor 72 m (measured), deepest dive 45 m (modelled)Sep 7, 2026 — seafloor 72 m (measured), deepest dive 25 m (modelled)Sep 7Sep 8, 2026 — seafloor 105 m (measured), deepest dive 88 m (modelled)Sep 11, 2026 — seafloor 60 m (measured), deepest dive 39 m (modelled)Sep 12, 2026 — seafloor 58 m (measured), deepest dive 40 m (modelled)Sep 13, 2026 — seafloor 93 m (measured), deepest dive 75 m (modelled)Sep 14, 2026 — seafloor 72 m (measured), deepest dive 54 m (modelled)

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

101 m
Deepest dive
4:50
Longest dive
710
Dives
25 m
Avg dive depth
51
Sightings
95
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150101 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (116 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Aug 15, 2026

measured
Seafloor depth
116 m
Sea-surface temperature
15.3°C
Distance from shore
1.0 km

Across the residency · 51 sightings

measured
Seafloor depth
42 m – 190 m
Sea-surface temperature
9.8°C – 15.7°C
Distance from shore
1.0 km – 2.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 51 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.