Satellite radar altimeter measurements reveal the sea surface signature of oceanic Kelvin waves. Sea level anomalies show where the ocean surface is higher or lower than its long-term average. The ...

Marine debris can entangle and harm marine organisms. For air-breathing organisms, such as the green sea turtle, entanglement in debris can prevent animals from being able to swim to the surface, ...

New cooperative agreements will enable U.S. IOOS regional associations to operate regional coastal observing systems throughout U.S. waters.

This page provides a handy reference of all ocean- and coast-related mobile websites and free applications produced by or in partnership with NOAA. A mobile website is a version of a standard website ...

A North Atlantic right whale mother and calf spotted off the U.S. southern coast by NOAA researchers during the 2020 breeding season. Stellwagen Bank National Marine Sanctuary in Massachusetts is a ...

Chocolate chip sea cucumber found at Johnston Atoll. Most sea cucumbers are scavengers, moving along the seafloor and feeding on tiny particles of algae or microscopic marine animals collected with ...

Fascinating, elegant, and mysterious to watch in the water, take a jellyfish out of the water, and it becomes a much less fascinating blob. This is because jellyfish are about 95 percent water.

The Castillo de San Marcos National Monument in St. Augustine, Florida, stands sentinel over Matanzas Bay. The coquina structure remains sturdy after three centuries. The natural coquina outcroppings ...

Sea ice is frozen water that forms, expands, and melts in the ocean. It is different from icebergs, glaciers, ice sheets, and ice shelves, which originate on land. For the most part, sea ice expands ...

Hundreds of massive container ships rely daily on accurate real-time tide and current information to navigate safely to and from U.S. ports. Current measurements are important to shipping, commercial ...

Scientists are testing how fast soil is building up in this marsh on Maryland's Eastern Shore. Recording this data over time in a variety of marshes around Chesapeake Bay may yield new insights about ...

Scientists have suspected for a while that Greenland sharks lived extremely long lives, but they didn’t have a way to determine how long. The age of other shark species can be estimated by counting ...