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

Willow – Residency

8th sighting in Gulf of Maine
Fluke of Willow
Willow Confirmed in the catalog @10453
Aug 12 – Sep 14, 2025 · Gulf of Maine

Gulf of Maine · Aug – Sep 2025

88 m
Deepest dive
3:18
Longest dive
74
Dives
Sightings
5
Days between first and last sighting
33

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 12, 202556 m—49 m
Aug 12, 2025120 m—88 m
Aug 31, 20253 m—3 m
Sep 1, 202598 m—66 m
Sep 14, 2025146 m—86 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
Aug 12, 2025 — seafloor 56 m (measured), deepest dive 49 m (modelled)Aug 12Aug 12, 2025 — seafloor 120 m (measured), deepest dive 88 m (modelled)Aug 12Aug 31, 2025 — seafloor 3 m (measured), deepest dive 3 m (modelled)Aug 31Sep 1, 2025 — seafloor 98 m (measured), deepest dive 66 m (modelled)Sep 1Sep 14, 2025 — seafloor 146 m (measured), deepest dive 86 m (modelled)Sep 14

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

Dives

88 m
Deepest dive
3:18
Longest dive
74
Dives
19 m
Avg dive depth
5
Sightings
33
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010088 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (120 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 · Aug 12, 2025

measured
Seafloor depth
120 m
Sea-surface temperature
—
Distance from shore
28.0 km

Across the residency · 5 sightings

measured
Seafloor depth
3 m – 146 m
Sea-surface temperature
—
Distance from shore
1.0 km – 28.0 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 5 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.