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

Patches – Residency

9th sighting in Gulf of Maine
Fluke of Patches
Patches Confirmed in the catalog @5585
Jul 7 – Sep 6, 2026 · Gulf of Maine

Late Summer on the Shelf

Whole late summer parked on my favorite bank, catching up with old faces.

72 m
Deepest dive
3:06
Longest dive
19
Dives
Sightings
3
Days between first and last sighting
61

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 7, 202691 m13.9°C54 m
Jul 12, 202698 m20.6°C72 m
Sep 6, 202697 m19.0°C41 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 7, 2026 — seafloor 91 m (measured), deepest dive 54 m (modelled)Jul 7Jul 12, 2026 — seafloor 98 m (measured), deepest dive 72 m (modelled)Jul 12Sep 6, 2026 — seafloor 97 m (measured), deepest dive 41 m (modelled)Sep 6

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

Dives

72 m
Deepest dive
3:06
Longest dive
19
Dives
23 m
Avg dive depth
3
Sightings
61
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (98 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 · Jul 12, 2026

measured
Seafloor depth
98 m
Sea-surface temperature
20.6°C
Distance from shore
29.0 km

Across the residency · 3 sightings

measured
Seafloor depth
91 m – 98 m
Sea-surface temperature
13.9°C – 20.6°C
Distance from shore
5.0 km – 29.0 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 3 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.