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Salish Sea

Hammer – Residency

75th sighting in Salish Sea
Fluke of Hammer
Hammer Confirmed in the catalog @53213
May 31 – Sep 26, 2026 · Salish Sea

Summer in the Salish

Whole seasons of my life ripple through this green water.

123 m
Deepest dive
3:57
Longest dive
108
Dives
Sightings
10
Days between first and last sighting
117

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 31, 2026218 m13.6°C123 m
Aug 23, 2026107 m14.9°C82 m
Aug 31, 202689 m14.8°C44 m
Sep 3, 2026185 m15.0°C52 m
Sep 6, 20267 m15.1°C6 m
Sep 7, 2026104 m15.4°C56 m
Sep 9, 202612 m16.1°C8 m
Sep 16, 202641 m15.4°C26 m
Sep 22, 2026112 m14.5°C73 m
Sep 26, 202633 m14.2°C25 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
May 31, 2026 — seafloor 218 m (measured), deepest dive 123 m (modelled)May 31Aug 23, 2026 — seafloor 107 m (measured), deepest dive 82 m (modelled)Aug 23Aug 31, 2026 — seafloor 89 m (measured), deepest dive 44 m (modelled)Aug 31Sep 3, 2026 — seafloor 185 m (measured), deepest dive 52 m (modelled)Sep 3Sep 6, 2026 — seafloor 7 m (measured), deepest dive 6 m (modelled)Sep 6Sep 7, 2026 — seafloor 104 m (measured), deepest dive 56 m (modelled)Sep 7Sep 9, 2026 — seafloor 12 m (measured), deepest dive 8 m (modelled)Sep 9Sep 16, 2026 — seafloor 41 m (measured), deepest dive 26 m (modelled)Sep 16Sep 22, 2026 — seafloor 112 m (measured), deepest dive 73 m (modelled)Sep 22Sep 26, 2026 — seafloor 33 m (measured), deepest dive 25 m (modelled)Sep 26

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

Dives

123 m
Deepest dive
3:57
Longest dive
108
Dives
21 m
Avg dive depth
10
Sightings
117
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150123 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (218 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.

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Place

Where this happened · May 31, 2026

measured
Seafloor depth
218 m
Sea-surface temperature
13.6°C
Distance from shore
9.0 km

Across the residency · 10 sightings

measured
Seafloor depth
7 m – 218 m
Sea-surface temperature
13.6°C – 16.1°C
Distance from shore
2.0 km – 13.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 10 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).

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