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

Sunburst – Residency

15th sighting in Gulf of Maine
Fluke of Sunburst
Sunburst Confirmed in the catalog @7735
Jul 9 – Aug 24, 2026 · Gulf of Maine

Gulf of Maine, all summer long

Weeks of good light here, more faces drifting through than I can count.

86 m
Deepest dive
3:17
Longest dive
86
Dives
Sightings
8
Days between first and last sighting
46

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 9, 202641 m14.4°C25 m
Jul 11, 202651 m14.4°C27 m
Jul 11, 202642 m14.5°C39 m
Jul 18, 202677 m12.0°C71 m
Aug 6, 202615 m14.7°C13 m
Aug 7, 2026107 m15.0°C86 m
Aug 22, 202622 m16.4°C20 m
Aug 24, 202660 m18.1°C36 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 9, 2026 — seafloor 41 m (measured), deepest dive 25 m (modelled)Jul 9Jul 11, 2026 — seafloor 51 m (measured), deepest dive 27 m (modelled)Jul 11Jul 11, 2026 — seafloor 42 m (measured), deepest dive 39 m (modelled)Jul 11Jul 18, 2026 — seafloor 77 m (measured), deepest dive 71 m (modelled)Jul 18Aug 6, 2026 — seafloor 15 m (measured), deepest dive 13 m (modelled)Aug 6Aug 7, 2026 — seafloor 107 m (measured), deepest dive 86 m (modelled)Aug 7Aug 22, 2026 — seafloor 22 m (measured), deepest dive 20 m (modelled)Aug 22Aug 24, 2026 — seafloor 60 m (measured), deepest dive 36 m (modelled)Aug 24

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

Dives

86 m
Deepest dive
3:17
Longest dive
86
Dives
17 m
Avg dive depth
8
Sightings
46
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (107 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 7, 2026

measured
Seafloor depth
107 m
Sea-surface temperature
15.0°C
Distance from shore
4.0 km

Across the residency · 8 sightings

measured
Seafloor depth
15 m – 107 m
Sea-surface temperature
12.0°C – 18.1°C
Distance from shore
1.0 km – 6.0 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 8 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.