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

Memorial – Residency

19th sighting in Gulf of Maine
Fluke of Memorial
Memorial Confirmed in the catalog @75545
Jul 11 – Sep 25, 2025 · Gulf of Maine

Gulf of Maine · Jul – Sep 2025

53 m
Deepest dive
2:47
Longest dive
106
Dives
Sightings
9
Days between first and last sighting
76

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 11, 202557 m—45 m
Jul 30, 202530 m—25 m
Aug 2, 202547 m—38 m
Aug 13, 202558 m—43 m
Aug 24, 202554 m—38 m
Aug 25, 202528 m—20 m
Aug 31, 202528 m—23 m
Sep 16, 202518 m—17 m
Sep 25, 202572 m—53 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
Jul 11, 2025 — seafloor 57 m (measured), deepest dive 45 m (modelled)Jul 11Jul 30, 2025 — seafloor 30 m (measured), deepest dive 25 m (modelled)Jul 30Aug 2, 2025 — seafloor 47 m (measured), deepest dive 38 m (modelled)Aug 2Aug 13, 2025 — seafloor 58 m (measured), deepest dive 43 m (modelled)Aug 13Aug 24, 2025 — seafloor 54 m (measured), deepest dive 38 m (modelled)Aug 24Aug 25, 2025 — seafloor 28 m (measured), deepest dive 20 m (modelled)Aug 25Aug 31, 2025 — seafloor 28 m (measured), deepest dive 23 m (modelled)Aug 31Sep 16, 2025 — seafloor 18 m (measured), deepest dive 17 m (modelled)Sep 16Sep 25, 2025 — seafloor 72 m (measured), deepest dive 53 m (modelled)Sep 25

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

Dives

53 m
Deepest dive
2:47
Longest dive
106
Dives
16 m
Avg dive depth
9
Sightings
76
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010053 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (72 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 · Sep 25, 2025

measured
Seafloor depth
72 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 9 sightings

measured
Seafloor depth
18 m – 72 m
Sea-surface temperature
—
Distance from shore
2.0 km – 7.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 9 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.