Office of Coast Survey

December 18, 2024

NOAA updates bridge clearances crossing one of the most important waterways in the United States

An image showing the Crescent City Connection Bridges taken from the left ascending bank of the Mississippi River with the city of New Orleans in the background.

The Port of New Orleans, is one of the largest ports in the United States. It spans both sides of the Mississippi River in the state of Louisiana, with its lower limit situated approximately 80 miles above the confluence of three major passes used to access the river from the Gulf of Mexico. The city of New Orleans serves as the primary commercial hub within the port’s limits. As one of the largest cities along the Gulf Coast, it is a natural gateway for trade, connecting the vast central and southern regions of the nation, particularly the entire Mississippi River Valley, via numerous inland water routes.

November 20, 2024November 21, 2024

NOAA contributes to Empowering Women in Hydrography through at-sea experience, part 8

The Empowering Women in Hydrography project is a global effort led by the International Hydrographic Organization and Canada that seeks to initiate, organize and track a series of activities and initiatives which will enable more women to participate equitably in the field of hydrography and to assume leadership roles within the hydrographic community. NOAA is contributing to the project via an ‘at-sea experience’ on NOAA hydrographic ships for three women each year over the lifespan of the project. After a global call for nominations, three women were selected to join NOAA ships for the 2024 survey season. Lieutenant Beltran Liced, from the Columbian Navy, joined NOAA Ship Thomas Jefferson from 23 September to 2 October 2024, while conducting surveys off the coast of South Carolina.

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November 13, 2024

Interagency science team collects ocean and weather data in the Arctic aboard U.S. Coast Guard Cutter Healy

An image showing the side of the U.S. Coast Guard Cutter Healy looking towards her stern as she break a path through icy waters with the sun setting in the background.

In October through early November 2024, NOAA’s Office of Coast Survey, the University of New Hampshire, U.S. National Science Foundation, and U.S. Coast Guard partnered to complete a coordinated mapping mission along the north slope of Alaska aboard the U.S. Coast Guard Cutter Healy. Advancing the 2020 National Strategy on Ocean Mapping, Exploring, and Characterizing the U.S. Exclusive Economic Zone, the mission acquired depth data in uncharted waters along the Coast Guard-proposed Arctic shipping route, deployed a series of oceanographic buoys, and provided at sea training on interdisciplinary scientific expeditions for junior scientists. The mission capitalized on a rare opportunity to maximize data observations within a data-starved region in support of Seascape Alaska, a regional mapping campaign.

Continue reading “Interagency science team collects ocean and weather data in the Arctic aboard U.S. Coast Guard Cutter Healy”

October 29, 2024

NOAA contributes to Empowering Women in Hydrography through at-sea experience, part 7

An image of NOAA Ship Thomas Jefferson alongside the dock in Charleston, South Carolina.

The Empowering Women in Hydrography project is a global effort led by the International Hydrographic Organization and Canada that seeks to initiate, organize and track a series of activities and initiatives which will enable more women to participate equitably in the field of hydrography and to assume leadership roles within the hydrographic community. NOAA is contributing to the project via an ‘at-sea experience’ on NOAA hydrographic ships for three women each year over the lifespan of the project. After a global call for nominations, three women were selected to join NOAA ships for the 2024 survey season. Chrysanthi Kleanthous, from the Hydrographic Office of Cyprus, joined NOAA Ship Thomas Jefferson from 2 to 20 September 2024, while conducting surveys off the coast of South Carolina.

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October 3, 2024December 3, 2024

NOAA’s nowCOAST improves BlueTopo access

A screen capture of the BlueTopo data layer displayed in NOAA's nowCOAST showing the entrance to Long Island Sound.

NOAA’s Office of Coast Survey produces and maintains several types of data models and products, from operational forecast systems to nautical charts. One of these models comes from the office’s National Bathymetric Source, or NBS, program which creates and maintains high-resolution bathymetry composed of the best available data. Bathymetry is a term that refers to the depths and shapes of underwater terrain and is a visualization of the “beds” or “floors” of water bodies, including the ocean, rivers, streams, and lakes. This data model is available to the public in a product called BlueTopo.

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August 22, 2024August 22, 2024

NOAA announces plans to survey Port Valdez and solicits proposals for 2026 funding opportunity

An image of a fishing boat with deployed fish net in calm water with mountains in the background.

The National Oceanic and Atmospheric Administration is pleased to announce a partnership with the City of Valdez for a hydrographic surveying project in Port Valdez. This project was selected for the Brennan Matching Fund from last year’s round of applicants and is slated to occur in 2025. The project will provide high resolution bathymetry and backscatter data over approximately 32.5 square nautical miles, and supply a contemporary baseline to help city emergency managers understand and prepare for potential impacts of submarine landslides.

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August 20, 2024August 20, 2024

Data dissemination web interface supports navigation

Waves on the sea beach on a cloudy rainy day

Imagine navigating a vessel along the coast and planning the approach to your destination, whether that be a local marina or large vessel berth in a harbor. What factors affecting the movement of the vessel should you be aware of once underway and in transit through the entrance and into the port? These may include observations on the present and forecasted weather, water current speed and direction, water depths and tidal direction, and any anomalies or warnings that may exist. Knowing what these factors are will assist you in preparing your vessel for safe passage to the destination.

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May 1, 2024May 2, 2024

The Office of Coast Survey’s ongoing response to the Francis Scott Key Bridge disaster

An image of the largest outbound vessel in the Fort McHenry Channel since the Francis Scott Key Bridge collapse.

On Tuesday, March 26, 2024, the 984-foot M/V DALI allided with the Francis Scott Key Bridge near Baltimore, Maryland, sending the bridge tumbling into the Patapsco River, resulting in the tragic loss of six construction workers, and triggering a local, state, and federal response. Large sections of the bridge’s structure lay across the main shipping channel into the Port of Baltimore closing the deepest shipping lane into and out of the port, and resulting in an estimated loss of $15 million in daily economic activity for the area. All shipping traffic was diverted from the area, enabling first responders to conduct high-priority rescue and recovery operations and allowing highly trained salvage crews to begin the arduous task of removing bridge wreckage. Due to the amount of debris in the water, it was evident that salvage operations would take some time, and the priority at the time was to open the port for at least some vessel traffic.

April 29, 2024April 29, 2024

The Interagency Working Group on Ocean and Coastal Mapping announces the release of the Standard Ocean Mapping Protocol

A decorative banner image showing a colorful digital terrain model, remotely operated vehicle and corals.

The members of the federal Interagency Working Group on Ocean and Coastal Mapping (IWG-OCM) are thrilled to announce the release of the first Standard Ocean Mapping Protocol (SOMP)! The SOMP is a standardized technical protocol for acquisition, processing, and archiving of ocean and coastal mapping data. It was developed in support of National Strategy for Ocean Mapping, Exploring, and Characterizing the United States Exclusive Economic Zone (NOMEC) goals and is built from existing standards and best practices developed by the ocean and coastal mapping community.

April 11, 2024April 11, 2024

Technical specifications for submitting hydrographic survey data get an overhaul

The Hydrographic Survey Specifications and Deliverables document contains the technical specifications for hydrographic survey data submitted to the Office of Coast Survey. It represents NOAA’s implementation of the International Hydrographic Organization standards for hydrographic survey and product specifications. Coast Survey is proud to announce the launch of the new Hydrographic Survey Specifications and Deliverables for 2024, the largest overhaul of the document in more than 20 years.

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