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Gulf of Maine

Milkweed – Residency

29th sighting in Gulf of Maine
Fluke of Milkweed
Milkweed Confirmed in the catalog @14868
May 23 – Sep 22, 2023 · Gulf of Maine

Gulf of Maine · May – Sep 2023

46 m
Deepest dive
2:21
Longest dive
150
Dives
Sightings
13
Days between first and last sighting
121

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 23, 202322 m11.9°C20 m
Jun 19, 202333 m16.0°C26 m
Jun 21, 202360 m16.2°C39 m
Jun 26, 202356 m18.4°C24 m
Jun 29, 202328 m19.3°C26 m
Jul 3, 202373 m18.6°C28 m
Jul 8, 202362 m20.2°C27 m
Jul 20, 202352 m21.4°C46 m
Jul 30, 202327 m19.3°C16 m
Aug 26, 202328 m19.0°C18 m
Aug 28, 202319 m18.9°C17 m
Sep 13, 202340 m21.3°C25 m
Sep 22, 202358 m18.5°C44 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
May 23, 2023 — seafloor 22 m (measured), deepest dive 20 m (modelled)May 23Jun 19, 2023 — seafloor 33 m (measured), deepest dive 26 m (modelled)Jun 21, 2023 — seafloor 60 m (measured), deepest dive 39 m (modelled)Jun 26, 2023 — seafloor 56 m (measured), deepest dive 24 m (modelled)Jun 26Jun 29, 2023 — seafloor 28 m (measured), deepest dive 26 m (modelled)Jul 3, 2023 — seafloor 73 m (measured), deepest dive 28 m (modelled)Jul 8, 2023 — seafloor 62 m (measured), deepest dive 27 m (modelled)Jul 8Jul 20, 2023 — seafloor 52 m (measured), deepest dive 46 m (modelled)Jul 30, 2023 — seafloor 27 m (measured), deepest dive 16 m (modelled)Aug 26, 2023 — seafloor 28 m (measured), deepest dive 18 m (modelled)Aug 26Aug 28, 2023 — seafloor 19 m (measured), deepest dive 17 m (modelled)Sep 13, 2023 — seafloor 40 m (measured), deepest dive 25 m (modelled)Sep 22, 2023 — seafloor 58 m (measured), deepest dive 44 m (modelled)Sep 22

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

Dives

46 m
Deepest dive
2:21
Longest dive
150
Dives
15 m
Avg dive depth
13
Sightings
121
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255046 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (52 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 20, 2023

measured
Seafloor depth
52 m
Sea-surface temperature
21.4°C
Distance from shore
3.0 km

Across the residency · 13 sightings

measured
Seafloor depth
19 m – 73 m
Sea-surface temperature
11.9°C – 21.4°C
Distance from shore
2.0 km – 34.0 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 13 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.