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

161320 – Residency

11th sighting in Gulf of Maine
Fluke of 161320
161320 Confirmed in the catalog @161320
Jul 3 – Sep 16, 2026 · Gulf of Maine

Green Water, Full Season

Stayed on the sand shelf all summer, and it never once got dull.

75 m
Deepest dive
3:05
Longest dive
143
Dives
Sightings
11
Days between first and last sighting
75
Deepest dive on record
75 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 3, 202638 m19.9°C22 m
Jul 4, 202628 m21.0°C22 m
Jul 19, 202632 m19.3°C29 m
Jul 20, 202628 m18.5°C25 m
Jul 25, 202628 m18.4°C23 m
Aug 23, 202646 m20.6°C32 m
Aug 25, 202622 m20.4°C14 m
Aug 27, 202655 m20.6°C27 m
Aug 28, 202631 m20.2°C25 m
Sep 12, 202683 m—75 m
Sep 16, 202628 m—24 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 3, 2026 — seafloor 38 m (measured), deepest dive 22 m (modelled)Jul 3Jul 4, 2026 — seafloor 28 m (measured), deepest dive 22 m (modelled)Jul 4Jul 19, 2026 — seafloor 32 m (measured), deepest dive 29 m (modelled)Jul 19Jul 20, 2026 — seafloor 28 m (measured), deepest dive 25 m (modelled)Jul 20Jul 25, 2026 — seafloor 28 m (measured), deepest dive 23 m (modelled)Jul 25Aug 23, 2026 — seafloor 46 m (measured), deepest dive 32 m (modelled)Aug 23Aug 25, 2026 — seafloor 22 m (measured), deepest dive 14 m (modelled)Aug 25Aug 27, 2026 — seafloor 55 m (measured), deepest dive 27 m (modelled)Aug 27Aug 28, 2026 — seafloor 31 m (measured), deepest dive 25 m (modelled)Aug 28Sep 12, 2026 — seafloor 83 m (measured), deepest dive 75 m (modelled)Sep 12Sep 16, 2026 — seafloor 28 m (measured), deepest dive 24 m (modelled)Sep 16

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

Dives

75 m
Deepest dive
3:05
Longest dive
143
Dives
14 m
Avg dive depth
11
Sightings
75
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010075 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (83 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 12, 2026

measured
Seafloor depth
83 m
Sea-surface temperature
—
Distance from shore
24.0 km

Across the residency · 11 sightings

measured
Seafloor depth
22 m – 83 m
Sea-surface temperature
18.4°C – 21.0°C
Distance from shore
9.0 km – 25.0 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 11 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.