Mid-Atlantic Ocean Data Portal
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marcoportal.bsky.social
Mid-Atlantic Ocean Data Portal
@marcoportal.bsky.social
87 followers 42 following 50 posts
Free/public GIS mapping & information site focused on ocean areas from New York through Virginia. Browse our collection of 6,000+ interactive maps at https://portal.midatlanticocean.org.
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marcoportal.bsky.social
We've updated our map of the Mid-Atlantic's artificial reef footprints to include two new sites off #Virginia in the #Chesapeake Bay and two new and nine expanded sites off #NewYork.

πŸ—ΊοΈ Map: portal.midatlanticocean.org/url_shortene...
πŸ“° Story: portal.midatlanticocean.org/news/artific... 🌊πŸ§ͺ
A map showing artificial reef locations in waters around Long Island.
January 28, 2026 at 3:45 PM
marcoportal.bsky.social
f you missed yesterday's #HowTuesday webinar on Northeast Regional Marine Fish Habitat Assessment (NRHA) data, a recording is now online. Thanks again to our presenters, Sarah DeLand of @duke-mgel.bsky.social and Tori Kentner of MAFMC. 🌊πŸ§ͺ

www.youtube.com/watch?v=ABfo...
How Tuesday: Northeast Regional Marine Fish Habitat Assessment Data
YouTube video by Mid-Atlantic Ocean Data Portal
www.youtube.com
January 28, 2026 at 3:40 PM
marcoportal.bsky.social
We've added monthly sliders showing areas that experienced marine heatwaves in recent years and a series of maps predicting hotspots of change in habitat suitability for highly migratory species like #sharks, #swordfish and #tuna. 🦈

Details: portal.midatlanticocean.org/news/new-dat... 🌊πŸ§ͺ
A map showing sea surface temperature anomalies in January 2024 A map showing areas in the Mid-Atlantic projected to see a decline in highly migratory species in summer months.
January 20, 2026 at 10:40 PM
marcoportal.bsky.social
Browse our winter newsletter for details on upcoming #HowTuesday webinars covering the Portal's new fish species abundance and ocean acidification data, maps of aquaculture in Mid-Atlantic waters, and more.
conta.cc/3YEGI74
MARCO Portal Winter Data Releases & Webinars
Email from Mid-Atlantic Regional Council on the Ocean (MARCO) Register for upcoming "How Tuesday" webinars covering the Portal's new fish and ocean acidification maps Portal Winter Data Releases & Web
conta.cc
January 13, 2026 at 3:22 PM
marcoportal.bsky.social
A new #Aquaculture theme on the Portal contains nine maps showing areas along the Mid-Atlantic coast where aquaculture activities are permitted or managed by state authorities. Details: portal.midatlanticocean.org/news/explore... πŸ¦ͺ🌊πŸ§ͺ
A map showing aquaculture lease areas in Virginia and Maryland. An aquaculture worker holding a basket of oysters.
January 12, 2026 at 8:54 PM
marcoportal.bsky.social
#MapMonday: In these winter doldrums, beach and coastal #tourism mostly freezes in the Mid-Atlantic. Click any county in our interactive map to learn what its ratio of summer to off-peak leisure/hospitality sector jobs is: portal.midatlanticocean.org/url_shortene...

#MondayMapDay #mappingmonday
A map showing the Ratio of Summer Peak to Off Peak Leisure & Hospitality Sector Employment in coastal counties from New York to Virginia.
January 5, 2026 at 2:57 PM
marcoportal.bsky.social
New maps on the Portal show monthly sea surface readings from 2018-22 in the Mid-Atlantic for four parameters are instrumental for determining #oceanacidification levels and events: pH, pCO2, H+, and aragonite saturation. 🌊πŸ§ͺ

ℹ️ portal.midatlanticocean.org/news/monthly...
December 18, 2025 at 4:52 PM
marcoportal.bsky.social
NEW: We've added maps that illustrate seasonal relative abundance for 14 coastal fish species in nearshore waters and major estuaries in the Mid-Atlantic as reflected in repeated coastal trawl surveys.

πŸ§ͺ Details: portal.midatlanticocean.org/news/updated...
A map showing 2010-19 spring relative abundance of striped bass in the Mid-Atlantic.
December 11, 2025 at 9:49 PM
marcoportal.bsky.social
If you couldn't make it to today's #howtu webinar on the Portal's #Fishing data and recent reorganization, a recording is now available. πŸͺπŸŽ£
portal.midatlanticocean.org/news/watch-n...
Watch: November 2025 'How Tuesday' Fishing Data Webinar
portal.midatlanticocean.org
November 25, 2025 at 9:18 PM
marcoportal.bsky.social
🐬 #MapMonday: Modeled abundance of bottlenose #dolphins in a typical November off the Mid-Atlantic coast. Browse the Portal’s Marine Life Library at portal.midatlanticocean.org/visualize for thousands of species maps for #marinemammals, #fish and #birds.

#mondaymapday #mappingmonday πŸ§ͺ
A map modeling abundance of bottlenose dolphins off teh Mid-Atlantic Coast in November.
November 24, 2025 at 8:44 PM
Reposted by Mid-Atlantic Ocean Data Portal
monmouthuci.bsky.social
#MonmouthU senior Siena Zisa recently interviewed Prof. Carlos Gaymer of the Center for Ecology and Sustainable Management of Oceanic Islands at the Universidad CatΓ³lica del Norte for the #COP30 Virtual Ocean Pavilion.
www.monmouth.edu/uci/2025/11/...
Watch: Monmouth’s Siena Zisa Interviews Chilean Marine Biologist for COP30 Virtual Ocean Pavilion | Urban Coast Institute
Monmouth University senior Siena Zisa, a joint research assistant with the Urban Coast Institute (UCI) and Global Ocean Forum, interviewed Professor Carlos F. Gaymer, director of the Center for Ecolog...
www.monmouth.edu
November 24, 2025 at 8:17 PM
marcoportal.bsky.social
Join MARCO in Dewey Beach, DE, Wed & Thurs for the Mid-Atlantic Marine Debris Summit! We'll gather leaders and beach lovers from across the region to tackle #marinedebris challenges and share solutions for a cleaner, healthier Mid-Atlantic ocean and coast.
www.midatlanticocean.org/ocean-planni...
2025 Marine Debris Summit - Mid-Atlantic Regional Council on the Ocean (MARCO)
www.midatlanticocean.org
November 10, 2025 at 9:47 PM
marcoportal.bsky.social
Navigating the Portal's deep collection of commercial #fishing maps just got easier. Read about our data reorganization and Nov. 25 #howtu tour of the Fishing theme here πŸ”— portal.midatlanticocean.org/news/introdu...
A flyer containing images of fishing activity and maps, with a headline reading: How Tuesday Webinar: Fishing Data Nov. 25 at 11 a.m. The Portal’s collection of nearly 2,000 maps showing commercial fishing activities and management areas has been reorganized with guidance from members of the region’s fishing industry. Join us Tuesday, Nov. 25, for a #HowTu lesson on navigating the changes and an overview of the various types of fishing map products on the Portal. Free and open to all! To Register: Scan QR or visit monmouth.edu/uci/how-tuesday
November 3, 2025 at 5:17 PM
marcoportal.bsky.social
Learn about the recent reorganization of our #fishing data, new monthly and annual AIS vessel transit count maps, critical habitat areas for threatened and endangered marine species, and more in the Portal's latest newsletter.
conta.cc/3Jnst2x
What's New on the Portal? | October 2025
Email from Mid-Atlantic Regional Council on the Ocean (MARCO) Learn about our reorganized fishing data, 2024 AIS vessel traffic counts, critical habitat areas, and more Introducing the New Fishing The
conta.cc
October 27, 2025 at 4:09 PM
marcoportal.bsky.social
In the Portal's Ocean Stories, we spoke with Lenape Indian Tribe of Delaware Principal Chief Dennis Coker about the need to properly document cultural sites and artifacts discovered on the seafloor. Best on non-mobile:
portal.midatlanticocean.org/ocean-storie...

#indigenouspeoplesday 🌊πŸ§ͺ
For Lenape, ancient cultural history lies beneath the sea
portal.midatlanticocean.org
October 13, 2025 at 2:31 PM
marcoportal.bsky.social
The #CoastGuard adjusted its Coastal Buoy Modernization Proposal for waters in the Northeast District based on nearly 3,000 public comments. See what changed and share your input by 11/15.

ℹ️ Details: portal.midatlanticocean.org/news/coastal...
πŸ“ Map: portal.midatlanticocean.org/url_shortene...
A map showing buoys in the Lower New York Harbor area that are candidates for change through the Coast Guard's Coastal Buoy Modernization Proposal. A map showing buoys in Eastern Long Island that are candidates for change through the Coast Guard's Coastal Buoy Modernization Proposal.
October 6, 2025 at 6:32 PM
Reposted by Mid-Atlantic Ocean Data Portal
maracoos.bsky.social
Mid-Atlantic Marine Debris Summit:
πŸ“… Nov 12–13 | Dewey Beach, DE
⏰ Register by Oct 7

Details + registration πŸ‘‰ https://www.midatlanticocean.org/ocean-planning/work-groups-collaborative-efforts/marine-debris-work-group/2025-marine-debris-summit/
2025 Marine Debris Summit - Mid-Atlantic Regional Council on the Ocean (MARCO)
REGISTER NOW SCHEDULE AT A GLANCE The Mid-Atlantic Marine Debris Summit is a biennial two-day event convened by the Mid-Atlantic Regional Council on the Ocean (MARCO), a regional partnership representing the five Mid-Atlantic states: Virginia, Maryland,...
www.midatlanticocean.org
September 29, 2025 at 6:52 PM
marcoportal.bsky.social
#MondayMapDay: AIS vessel tracks showing 2024 traffic patterns in the #ChesapeakeBay for pleasure craft and sailboats.

Interactive map: portal.midatlanticocean.org/url_shortene...

#mapmonday #mappingmonday #sailing #boating πŸ§ͺ🌊
A map showing vessel traffic patterns in the northern reaches of the Chesapeake Bay.
September 29, 2025 at 8:36 PM
marcoportal.bsky.social
2024 AIS Vessel Transit Counts data is here 🚒 View monthly & annual snapshots of traffic patterns for #fishing boats, passenger vessels, tugs/tows, tankers, #cargo, sailboats/pleasure craft, and others.

ℹ️ portal.midatlanticocean.org/news/view-an...

#mapmonday #mondaymapday #mappingmonday #GIS πŸ§ͺ🌊
September 22, 2025 at 6:24 PM
marcoportal.bsky.social
Did you know Automatic Identification System (AIS) data, now highly influential in #oceanplanning, has origins as a post-#September11 port security measure? Read our 'Ocean Stories' story map interview with the man who’s been called 'The father of AIS' πŸ”— portal.midatlanticocean.org/ocean-storie... 🌊
A map showing vessel traffic patterns near New York City in 2024
September 11, 2025 at 7:29 PM
marcoportal.bsky.social
Average density of loggerhead #seaturtles in the month of September in Mid-Atlantic waters. 🐒 Learn more about the data at: portal.midatlanticocean.org/news/sea-tur...

#MondayMapDay #MapMonday #mappingmonday πŸ§ͺ🌊
A map depicting loggerhead sea turtle monthly density.
September 9, 2025 at 1:04 AM
marcoportal.bsky.social
We've added maps showing USFWS designated and proposed critical habitat areas for #endangered and threatened shorebirds, such as the #redknot & #pipingplover in the Mid-Atlantic.πŸ§ͺ🌊

ℹ️ Details: portal.midatlanticocean.org/news/maps-sh...
πŸ“ Interactive map: portal.midatlanticocean.org/url_shortene...
A map showing active and proposed critical habitat areas for birds in Cape Hatteras, NC A piping plover on a beach.
August 20, 2025 at 3:33 PM
marcoportal.bsky.social
Happy #CoastGuardDay! The #CoastGuard was founded OTD in 1790 by Sec. of State Alexander Hamilton and today protects 100,000 miles of coastline & waterways. The Mid-Atlantic is home to District 1 (northern NJ-New England) and D-5 (NJ to Carolinas).

πŸ›ŸMap: portal.midatlanticocean.org/url_shortene...
A map showing US Coast Guard District boundaries.
August 4, 2025 at 2:52 PM
marcoportal.bsky.social
🚧 PLANNED OUTAGE ADVISORY πŸ› οΈ The Portal will experience service interruptions on Wednesday, July 30, from 5-9 p.m. due to scheduled maintenance. Thank you for your patience.
July 29, 2025 at 9:17 PM
marcoportal.bsky.social
#MondayMapDay: Rivers and estuaries on the East Coast designated by NOAA as critical habitat for the endangered Atlantic sturgeon.

πŸ“ View interactive map: portal.midatlanticocean.org/url_shortene...

#MapMonday #mappingmonday #endangeredspecies #marinelife 🌊πŸ§ͺ
A map showing critical habitat for sturgeon in the Mid-Atlantic A highway sign marking the Hudson River with a sturgeon illustration.
July 15, 2025 at 12:56 AM