Mid-Atlantic Ocean Data Portal

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 🌊🧪

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.

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...

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,...

Mid-Atlantic Marine Debris Summit:
📅 Nov 12–13 | Dewey Beach, DE
⏰ Register by Oct 7

Details + registration 👉 https://www.midatlanticocean.org/ocean-planning/work-groups-collaborative-efforts/marine-debris-work-group/2025-marine-debris-summit/

A map showing vessel traffic patterns in the northern reaches of the Chesapeake Bay.

#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 🧪🌊

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 🧪🌊

A map showing vessel traffic patterns near New York City in 2024

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 depicting loggerhead sea turtle monthly density.

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 showing active and proposed critical habitat areas for birds in Cape Hatteras, NC

A piping plover on a beach.

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 US Coast Guard District boundaries.

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...

🚧 PLANNED OUTAGE ADVISORY 🛠️ The Portal will experience service interruptions on Wednesday, July 30, from 5-9 p.m. due to scheduled maintenance. Thank you for your patience.

A map showing critical habitat for sturgeon in the Mid-Atlantic

A highway sign marking the Hudson River with a sturgeon illustration.

#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 🌊🧪

Map showing critical habitat areas throughout the Mid-Atlantic.

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... 🌊🧪

A map showing boat ramp locations along the coast from New York to Virginia.

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

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 🌊🧪

Text reading "MARCO How Tuesday" over an image of a marsh.

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...

A map showing June green sea turtle density in the Mid-Atlantic.

#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 🧪

An image of a vessel passing through an inlet at sunset with text reading "MARCO How Tuesday"

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...

A map showing buoys proposed for discontinuation near New York Harbor.

#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...

What's New on the Portal? | June 2025 Email from Mid-Atlantic Regional Council on the Ocean (MARCO) Learn about new maps showing buoys proposed for discontinuation, seafloor substrates, zooplankton abundance, BlueTopo bathymetry, and more

📰 In our June newsletter: Learn about new maps showing buoys proposed by Coast Guard District 1 for discontinuation, substrate types found in seafloor areas, zooplankton abundance, bathymetry, and more.
conta.cc/455I9jx

Sorry, we do not, but the data is available for download in our Marine Life Data Catalog at portal.midatlanticocean.org/data-catalog...

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.

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...

An animated map showing changes from season to season of Centropages spp. abundance.

🆕 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...

Image of a Southeast New England Regional Sediment Types map

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

2025 Mid-Atlantic Ocean Forum - Mid-Atlantic Regional Council on the Ocean (MARCO) The Mid-Atlantic Committee on the Ocean meets at the annual Mid-Atlantic Ocean Forum to identify and discuss challenges to the Mid-Atlantic ocean ecosystem.

It's not too late to register for MARCO’s Seventh Annual Mid-Atlantic Ocean Forum, next week in Baltimore. Browse the agenda for the full slate of expert panels, interactive sessions, poster presentations, networking opportunities and more. Free/public!🧪🌊
www.midatlanticocean.org/ocean-planni...

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

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...

Monmouth Students Publish Mid-Atlantic Ocean Data Portal App for iOS, Android | Urban Coast Institute A team of Monmouth University computer science students has created a mobile app version of the Mid-Atlantic Ocean Data Portal, giving users access to a sea of coastal and ocean maps wherever they may...

A team of Monmouth students has created a mobile app version of the Mid-Atlantic Ocean Data Portal, giving users access to a sea of ocean maps wherever they may be. Meet the team, hear about their collaboration with MARCO, and download the app for your device. 📲🧪🌊
www.monmouth.edu/uci/2025/04/...

A map showing striped bass biomass in Mid-Atlantic ocean areas.

#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

An image showing two vessels passing through an inlet with an illustration of a cell phone showing a map overlaid.

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...

New on the Portal: Mobile App, Right Whale Shifts, Shark Habitats + More Email from Mid-Atlantic Regional Council on the Ocean (MARCO) Read our March newsletter for info on downloading a new Portal mobile app for iPhone and Android, maps of endangered right whale shifts, f

Read our March newsletter for info on our new Portal mobile app for iPhone and Android, maps of endangered North Atlantic #rightwhale shifts, #shark habitat data and more.
conta.cc/3DRPIip

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 🌊🧪