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Glacier Bay & Icy Strait

MommasBoy – Residency

42nd sighting in Glacier Bay & Icy Strait
Fluke of MommasBoy
MommasBoy Confirmed in the catalog @16812
Apr 28 – Aug 22, 2024 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Apr – Aug 2024

128 m
Deepest dive
4:33
Longest dive
229
Dives
Sightings
20
Days between first and last sighting
116

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 28, 2024122 m7.0°C103 m
Jun 2, 2024126 m8.3°C35 m
Jun 11, 202448 m8.6°C33 m
Jun 12, 2024251 m8.5°C65 m
Jun 13, 2024129 m9.2°C104 m
Jun 17, 2024108 m11.1°C56 m
Jun 17, 2024126 m11.1°C30 m
Jun 18, 2024158 m11.6°C33 m
Jun 19, 2024163 m11.8°C32 m
Jul 2, 202482 m12.6°C63 m
Jul 11, 202478 m12.9°C53 m
Jul 13, 202476 m11.9°C53 m
Jul 14, 2024133 m12.0°C119 m
Jul 15, 202440 m11.7°C29 m
Jul 16, 2024-64 m12.0°C—
Jul 17, 202458 m12.5°C43 m
Jul 20, 2024475 m12.7°C128 m
Aug 15, 202465 m13.4°C52 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
Apr 28, 2024 — seafloor 122 m (measured), deepest dive 103 m (modelled)Apr 28Jun 2, 2024 — seafloor 126 m (measured), deepest dive 35 m (modelled)Jun 11, 2024 — seafloor 48 m (measured), deepest dive 33 m (modelled)Jun 12, 2024 — seafloor 251 m (measured), deepest dive 65 m (modelled)Jun 13, 2024 — seafloor 129 m (measured), deepest dive 104 m (modelled)Jun 13Jun 17, 2024 — seafloor 108 m (measured), deepest dive 56 m (modelled)Jun 17, 2024 — seafloor 126 m (measured), deepest dive 30 m (modelled)Jun 18, 2024 — seafloor 158 m (measured), deepest dive 33 m (modelled)Jun 19, 2024 — seafloor 163 m (measured), deepest dive 32 m (modelled)Jun 19Jul 2, 2024 — seafloor 82 m (measured), deepest dive 63 m (modelled)Jul 11, 2024 — seafloor 78 m (measured), deepest dive 53 m (modelled)Jul 13, 2024 — seafloor 76 m (measured), deepest dive 53 m (modelled)Jul 14, 2024 — seafloor 133 m (measured), deepest dive 119 m (modelled)Jul 14Jul 15, 2024 — seafloor 40 m (measured), deepest dive 29 m (modelled)Jul 16, 2024 — seafloor -64 m (measured), deepest dive — (modelled)Jul 17, 2024 — seafloor 58 m (measured), deepest dive 43 m (modelled)Jul 20, 2024 — seafloor 475 m (measured), deepest dive 128 m (modelled)Jul 20Aug 15, 2024 — seafloor 65 m (measured), deepest dive 52 m (modelled)Aug 20, 2024 — seafloor 47 m (measured), deepest dive 31 m (modelled)Aug 22, 2024 — seafloor 94 m (measured), deepest dive 40 m (modelled)

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

Dives

128 m
Deepest dive
4:33
Longest dive
229
Dives
23 m
Avg dive depth
20
Sightings
116
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150128 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (475 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, 2024

measured
Seafloor depth
475 m
Sea-surface temperature
12.7°C
Distance from shore
4.0 km

Across the residency · 20 sightings

measured
Seafloor depth
-64 m – 475 m
Sea-surface temperature
7.0°C – 14.0°C
Distance from shore
1.0 km – 4.0 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 20 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.