NOAA's National Ocean Service

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tides and currents

nautical charts

career profiles

harmful algal blooms

sea level
rise

Education
Resources

A large school of colorful fish swim over a vibrant, multi-colored coral reef.

New National Coral Reef Resilience Strategy

The strategy guides the actions of the U.S. coral reef conservation community through 2040.

Corals

Screen grab of benthic map of Lake Superior

Refreshed benthic habitat data mapping tool

The revamped platform boasts enhanced functionality to discover, access, and download data while leveraging resources and efforts with other NOAA offices.

COASTAL SCIENCE

Six image panel showing large ships, a machine pumping sand onto a beach, kayakers, a fisher working on a boat, and an offshore oil rig.

New NOAA data reveals strength of the U.S. marine economy

From 2021-2024, the marine economy added over 500,000 jobs and total wages grew by 32%.

MARINE ECONOMY

A massive layered coral colony takes up most the frame, with a diver extending their limbs for scale, taking up about 1/20th of the frame.

Colossal coral in the Mariana Islands is largest of its kind

The 14,500-square-foot Porites rus, a species of stony coral, is wider than the length of four school buses and could be more than 2,050 years old.

A yellow cylindrical hurricane glider hovers below the ocean’s surface.

Hurricane glider coordination: A 2025 retrospective

During the 2025 field season, NOAA and partners flew 79 glider missions across coastal waters of the Atlantic and Pacific Oceans, Caribbean Sea, and Gulf of America to inform hurricane forecasting.

A large white NOAA research vessel (NOAA S 220) docked at a pier, decorated with colorful maritime signal flags. Large grey rocks form a breakwater in the foreground against green ocean water.

Charting the Arctic

In 2025, NOAA Ship Fairweather went farther north than ever before to help establish new maritime traffic routes, safety zones, and use areas in the U.S. Arctic waters.

Around the Ocean Service

A purposeful dive in Florida Keys National Marine Sanctuary
SANCTUARIES
Study uncovers multidecadal drivers of Louisiana’s shrimp distributions
COASTAL SCIENCE
Office of Coast Survey: 2025 year in review
CHARTING
NOAA and partners evaluate vital Wisconsin wetlands to reduce flood risk
COASTAL MANAGEMENT

NOAA’s National Ocean Service

Around the Ocean Service