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

HW-MN0104390 – Residency

6th sighting in Gulf of Maine
Fluke of HW-MN0104390
HW-MN0104390 Confirmed in the catalog @142267
Jul 13 – Aug 14, 2026 · Gulf of Maine

Summer in the Green Water

Fish thick, water cool, boats catching me mid-feast all month.

35 m
Deepest dive
2:06
Longest dive
58
Dives
Sightings
5
Days between first and last sighting
32

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 13, 202656 m16.8°C35 m
Jul 17, 202633 m15.9°C15 m
Jul 25, 202613 m17.1°C11 m
Aug 14, 202643 m15.1°C27 m
Aug 14, 202636 m15.1°C32 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 13, 2026 — seafloor 56 m (measured), deepest dive 35 m (modelled)Jul 13Jul 17, 2026 — seafloor 33 m (measured), deepest dive 15 m (modelled)Jul 17Jul 25, 2026 — seafloor 13 m (measured), deepest dive 11 m (modelled)Jul 25Aug 14, 2026 — seafloor 43 m (measured), deepest dive 27 m (modelled)Aug 14Aug 14, 2026 — seafloor 36 m (measured), deepest dive 32 m (modelled)Aug 14

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

Dives

35 m
Deepest dive
2:06
Longest dive
58
Dives
13 m
Avg dive depth
5
Sightings
32
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255035 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (56 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 13, 2026

measured
Seafloor depth
56 m
Sea-surface temperature
16.8°C
Distance from shore
1.0 km

Across the residency · 5 sightings

measured
Seafloor depth
13 m – 56 m
Sea-surface temperature
15.1°C – 17.1°C
Distance from shore
1.0 km – 2.0 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 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.