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 ...

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

NOAA's National Geodetic Survey is the U.S. Government source for precise latitude, longitude, and elevation measurements. The NOAA fleet of ships and aircraft is operated, managed, and maintained by ...

In the aftermath of Hurricane Milton, the National Ocean Service’s Office of Coast Survey conducted hydrographic survey operations to help reopen Port Tampa Bay and SeaPort Manatee. As part of the ...

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 ...

Weather reflects short-term conditions of the atmosphere while climate is the average daily weather for an extended period of time at a certain location. A storm darkens the sky at the mouth of the ...

Writers, artists, and engineers have long marveled at the nautilus’s beauty and swimming abilities. The chambered or pearly nautilus is a cephalopod (a type of mollusk)—a distant cousin to squids, ...

The term "bathymetry" originally referred to the ocean's depth relative to sea level, although it has come to mean “submarine topography,” or the depths and shapes of underwater terrain. In the same ...

Sometimes known as a duck-billed platypus, this curious mammal combines the characteristics of many different species in one. The platypus is a duck-billed, beaver-tailed, otter-footed, egg-laying ...

The rise and fall of the tides play an important role in the natural world and can have a marked effect on maritime-related activities. The image aboves shows the NOAA San Francisco Tide Station, in ...