Mid-Atlantic Ocean Data Portal
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marcoportal.bsky.social
Mid-Atlantic Ocean Data Portal
@marcoportal.bsky.social
78 followers 40 following 42 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
🐬 #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 🧪
A map modeling abundance of bottlenose dolphins off teh Mid-Atlantic Coast in November.
November 24, 2025 at 8:44 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 🔗 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
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...
📍 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
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 🧪🌊
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 🧪🌊
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' 🔗 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 🧪🌊
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.🧪🌊

ℹ️ Details: portal.midatlanticocean.org/news/maps-sh...
📍 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).

🛟Map: portal.midatlanticocean.org/url_shortene...
A map showing US Coast Guard District boundaries.
August 4, 2025 at 2:52 PM
marcoportal.bsky.social
#MondayMapDay: Rivers and estuaries on the East Coast designated by NOAA as critical habitat for the endangered Atlantic sturgeon.

📍 View interactive map: portal.midatlanticocean.org/url_shortene...

#MapMonday #mappingmonday #endangeredspecies #marinelife 🌊🧪
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
marcoportal.bsky.social
Nine new maps on the Portal show ocean areas, coastal rivers and watersheds that have been designated or proposed as critical habitat for Atlantic #sturgeon, Atlantic #salmon, North Atlantic #rightwhales, and green #seaturtles.

ℹ️ Details: portal.midatlanticocean.org/news/view-cr... 🌊🧪
Map showing critical habitat areas throughout the Mid-Atlantic.
July 10, 2025 at 6:52 PM
marcoportal.bsky.social
July is prime #boating season 🛥️ If you’re planning to launch your boat soon, scan the Portal for publicly accessible ramps throughout the Mid-Atlantic coast. Click on any point for a popup containing info about the location.

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

#MapMonday
A map showing boat ramp locations along the coast from New York to Virginia.
July 7, 2025 at 2:10 PM
marcoportal.bsky.social
Did somebody say #OceanDataDay? The Mid-Atlantic Ocean Data Portal offers 6,000+ maps showing marine life, offshore infrastructure, oceanographic data, habitats, fishing, recreation and much more off our coast. Browse it today at portal.midatlanticocean.org 🌊🧪
June 25, 2025 at 7:49 PM
marcoportal.bsky.social
TOMORROW: Take a guided tour of the Portal's tools and thousands of maps showing #marinelife, #fishing, vessel traffic patterns, ocean recreation, offshore infrastructure, and much more in our free #HowTuesday webinar. 🧪🌊

🔗Details & registration: portal.midatlanticocean.org/calendar/how...
Text reading "MARCO How Tuesday" over an image of a marsh.
June 23, 2025 at 1:18 PM
marcoportal.bsky.social
#MondayMapDay: Modeled green #seaturtle density for June in the Mid-Atlantic. Try our monthly slider to toggle through or animate monthly maps for Kemp's ridley, leatherback and loggerhead sea turtles as well: portal.midatlanticocean.org/url_shortene...

#mappingmonday #mapmonday #worldoceanmonth 🧪
A map showing June green sea turtle density in the Mid-Atlantic.
June 16, 2025 at 2:48 PM
marcoportal.bsky.social
Are you a newcomer interested in a Portal 101 tutorial or a returning user who could use a refresher? Join us June 24 at noon for a #HowTuesday lesson on our data, tools and features. 🌊🧪 Details/registration: portal.midatlanticocean.org/calendar/how...
An image of a vessel passing through an inlet at sunset with text reading "MARCO How Tuesday"
June 11, 2025 at 8:36 PM
marcoportal.bsky.social
#CoastGuard D-1 has proposed a series of modifications to its aids to navigation meant to modernize the constellation of coastal buoys in New England and northern portions of the Mid-Atlantic. Analyze them on the Portal and submit your comments by 6/13.

ℹ️ portal.midatlanticocean.org/news/comment...
A map showing buoys proposed for discontinuation near New York Harbor.
June 5, 2025 at 8:26 PM
marcoportal.bsky.social
BlueTopo, a compilation of the nation's best available bathymetric data, was recently extended by NOAA to cover Mid-Atlantic waters. View it now on the Portal. 🌊🧪

ℹ️ Details: portal.midatlanticocean.org/news/noaa-bl...
🗾 Map link: portal.midatlanticocean.org/url_shortene...
BlueTopo map view of the Mid-Atlantic region. BlueTopo map view of eastern Long Island. BlueTopo map view of an artificial reef off Sandy Hook, New Jersey.
May 28, 2025 at 2:19 PM
marcoportal.bsky.social
🆕 Use our new sliders to browse and animate maps of seasonal abundance for six #zooplankton species in 2003-09 and 2010-21 from Cape Hatteras to the Gulf of Maine. 🧪🌊

Full details: portal.midatlanticocean.org/news/zooplan...
An animated map showing changes from season to season of Centropages spp. abundance.
May 27, 2025 at 7:48 PM
marcoportal.bsky.social
NEW: View our Southeast New England Regional Sediment Types map for predicted occurrence of benthic sediment types at high resolution.🧪🌊

🗾 Interactive map: portal.midatlanticocean.org/url_shortene...
ℹ️ More info: portal.midatlanticocean.org/news/new-map...

#mapmonday #mondaymapday #mappingmonday
Image of a Southeast New England Regional Sediment Types map
May 5, 2025 at 6:08 PM
marcoportal.bsky.social
A new collection of maps in the Portal’s Habitat theme depict the probability of sand, mud, gravel, rock, cobble, and shell debris along seafloor areas from Maine-Virginia Beach.

🌊🧪 Details: portal.midatlanticocean.org/news/new-map...
A small fish swimming along a sandy ocean bottom A map showing probability of mud along seafloor areas A map showing probability of sand along seafloor areas A map showing probability of shell debris along seafloor areas
May 1, 2025 at 6:39 PM
marcoportal.bsky.social
#MapMonday: #StripedBass biomass in the Mid-Atlantic, spring 2010-19. Browse our #MarineLife Library for an interactive version of this and thousands of other maps at portal.midatlanticocean.org/visualize/. 🧪

#MondayMapDay #mappingmonday #fish #fishing
A map showing striped bass biomass in Mid-Atlantic ocean areas.
April 7, 2025 at 5:29 PM
marcoportal.bsky.social
Have you tried our new mobile app version of the Mid-Atlantic Ocean Data Portal? Download it free for quick access to MARCO’s collection of ocean maps on your Apple or Android devices wherever you are. 🧪🌊

Details ➡️ portal.midatlanticocean.org/news/downloa...
An image showing two vessels passing through an inlet with an illustration of a cell phone showing a map overlaid.
March 28, 2025 at 7:53 PM
marcoportal.bsky.social
Fish biomass in spring seasons by decade off the Mid-Atlantic coast, 1980-2019. User our slider tool to automatically animate or manually toggle through year ranges by season (spring or fall): portal.midatlanticocean.org/url_shortene.... Data produced by our partners at @duke-mgel.bsky.social 🌊🧪
March 13, 2025 at 9:13 PM
marcoportal.bsky.social
#MapMonday 🐋 Modeled #humpback #whale abundance in Mid-Atlantic waters in the month of March.

#mappingmonday #MondayMapDay #marinelife #marinemammals 🧪
A map showing humpback whale March abundance along the U.S. Atlantic Coast.
March 10, 2025 at 9:00 PM