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

Hornet – Residency

9th sighting in Gulf of Maine
Fluke of Hornet
Hornet Confirmed in the catalog @17094
Jun 19 – Jul 19, 2026 · Gulf of Maine

One Bay, Whole Summer

Shallow green water, good company, every lunge worth showing up for.

27 m
Deepest dive
1:47
Longest dive
152
Dives
Sightings
9
Days between first and last sighting
30
Deepest dive on record
27 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 19, 202623 m15.8°C18 m
Jun 27, 202627 m17.9°C22 m
Jun 29, 202628 m17.9°C24 m
Jun 29, 202626 m17.9°C20 m
Jul 2, 202628 m19.5°C25 m
Jul 3, 202638 m19.9°C27 m
Jul 10, 202619 m20.7°C17 m
Jul 18, 202627 m19.7°C20 m
Jul 19, 202631 m19.3°C27 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
Jun 19, 2026 — seafloor 23 m (measured), deepest dive 18 m (modelled)Jun 19Jun 27, 2026 — seafloor 27 m (measured), deepest dive 22 m (modelled)Jun 27Jun 29, 2026 — seafloor 28 m (measured), deepest dive 24 m (modelled)Jun 29Jun 29, 2026 — seafloor 26 m (measured), deepest dive 20 m (modelled)Jun 29Jul 2, 2026 — seafloor 28 m (measured), deepest dive 25 m (modelled)Jul 2Jul 3, 2026 — seafloor 38 m (measured), deepest dive 27 m (modelled)Jul 3Jul 10, 2026 — seafloor 19 m (measured), deepest dive 17 m (modelled)Jul 10Jul 18, 2026 — seafloor 27 m (measured), deepest dive 20 m (modelled)Jul 18Jul 19, 2026 — seafloor 31 m (measured), deepest dive 27 m (modelled)Jul 19

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

Dives

27 m
Deepest dive
1:47
Longest dive
152
Dives
12 m
Avg dive depth
9
Sightings
30
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255027 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (38 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 3, 2026

measured
Seafloor depth
38 m
Sea-surface temperature
19.9°C
Distance from shore
9.0 km

Across the residency · 9 sightings

measured
Seafloor depth
19 m – 38 m
Sea-surface temperature
15.8°C – 20.7°C
Distance from shore
9.0 km – 25.0 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 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.