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Glacier Bay & Icy Strait

Maria del Mar – Residency

13th sighting in Glacier Bay & Icy Strait
Fluke of Maria del Mar
Maria del Mar Confirmed in the catalog @122881
Mar 12 – Jul 19, 2025 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · Mar – Jul 2025

156 m
Deepest dive
5:23
Longest dive
189
Dives
Sightings
15
Days between first and last sighting
129
Deepest dive on record
156 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 12, 202572 m—63 m
Apr 22, 2025170 m—156 m
May 13, 2025110 m—37 m
May 18, 2025113 m—69 m
May 19, 2025116 m—84 m
May 21, 202578 m—64 m
May 31, 202550 m—44 m
Jun 2, 2025103 m—56 m
Jun 4, 2025103 m—93 m
Jun 5, 20254 m—3 m
Jun 6, 2025179 m—98 m
Jun 10, 202572 m—19 m
Jul 9, 2025126 m—87 m
Jul 15, 202596 m—46 m
Jul 19, 2025118 m—87 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
Mar 12, 2025 — seafloor 72 m (measured), deepest dive 63 m (modelled)Mar 12Apr 22, 2025 — seafloor 170 m (measured), deepest dive 156 m (modelled)May 13, 2025 — seafloor 110 m (measured), deepest dive 37 m (modelled)May 18, 2025 — seafloor 113 m (measured), deepest dive 69 m (modelled)May 18May 19, 2025 — seafloor 116 m (measured), deepest dive 84 m (modelled)May 21, 2025 — seafloor 78 m (measured), deepest dive 64 m (modelled)May 31, 2025 — seafloor 50 m (measured), deepest dive 44 m (modelled)May 31Jun 2, 2025 — seafloor 103 m (measured), deepest dive 56 m (modelled)Jun 4, 2025 — seafloor 103 m (measured), deepest dive 93 m (modelled)Jun 5, 2025 — seafloor 4 m (measured), deepest dive 3 m (modelled)Jun 5Jun 6, 2025 — seafloor 179 m (measured), deepest dive 98 m (modelled)Jun 10, 2025 — seafloor 72 m (measured), deepest dive 19 m (modelled)Jul 9, 2025 — seafloor 126 m (measured), deepest dive 87 m (modelled)Jul 9Jul 15, 2025 — seafloor 96 m (measured), deepest dive 46 m (modelled)Jul 19, 2025 — seafloor 118 m (measured), deepest dive 87 m (modelled)

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

Dives

156 m
Deepest dive
5:23
Longest dive
189
Dives
25 m
Avg dive depth
15
Sightings
129
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200156 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (170 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 · Apr 22, 2025

measured
Seafloor depth
170 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 15 sightings

measured
Seafloor depth
4 m – 179 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 15 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.