US Harbors | Tide Charts, Marine Forecast, Coastal Flooding

US Harbors is the #1 Source for Tide Charts and Coastal Information for over 1,400 harbors in 30 coastal states. Our curated data helps you plan smarter, enjoy your time on the water, and stay ahead of rapidly changing tides, storms, and flooding.

Tide Charts

US Harbors illustrates tide forecasts with our simple, intuitive charts. Easily scan the highs and lows online or print a convenient monthly tide chart for the boat or office.

Weather

US Harbors delivers weather predictions with a focus on marine forecasts, buoy data, weather alerts, and onshore forecasts for harbors near you that include wind speed and direction, relative humidity, and more.

High Tide Flooding

Each month, we publish a high-tide flooding report for forecasted harbors across the country. Look for harbors near you to know when extreme high tides could cause flooding. Sign up for our newsletter to be alerted to new high tide flooding reports.

Latest Coastal News Filter

Kelvin Waves, Explained

10/11/2026

By fisheries.noaa.gov, fisheries.noaa.gov. You may be hearing a lot about Kelvin waves in the news. What are Kelvin waves, and how are they related to El Niño? We asked oceanographer Michael Jacox, from the Southwest Fisheries Science Center and NOAA Physical Sciences Laboratory, to explain the phenomenon. What is a Kelvin wave and… SEE MORE

Southern Resident killer whales swim just off Seattle’s shore. NOAA experts anticipate that the West Coast and the Pacific Islands will feel the effects of the 2026–2027 El Niño event most directly. Credit: NOAA Northwest Fisheries Science Center; taken under NOAA permit #781-1824

How Will El Niño Affect Your Local Fisheries?

10/10/2026

By fisheries.noaa.gov, fisheries.noaa.gov. What does El Niño mean for U.S. fisheries and marine life? What can fishermen and coastal communities expect to observe and experience as this event continues and potentially intensifies? And what are scientists at NOAA Fisheries doing to track this natural phenomenon? The El Niño-Southern Oscillation is a powerful… SEE MORE

NOAA's flood inundation map (left) depicting the forecast for flooding extent in New London, Wisconsin, and a photo of flooded streets in New London (right), dated April 17, 2026. (Image credit: NOAA NWS)

NOAA’s flood mapping tool now covers nearly 100% of U.S.

10/7/2026

By fisheries.noaa.gov, fisheries.noaa.gov. NOAA’s National Weather Service announced today that Flood Inundation Mapping (FIM), a revolutionary tool for predicting river flooding, is now available on an experimental basis to nearly 100% of the U.S. population. This is a massive expansion from FIM’s prior coverage of 60% of the country. FIM… SEE MORE

Quietly Sophisticated: The Hood 42 LM

By US Harbors At first glance, the Hood 42 LM might be confused for a boat that worked the Maine coast fifty years ago, but upon further inspection, the fifteen coats of Epifanes varnish over mahogany and custom-cast bronze hardware reveal that this boat was built for cruising. Beyond the… Learn More

Meet Hawaii Fish Company, Tilapia Farmers in Hawaiʻi

10/4/2026

By fisheries.noaa.gov, fisheries.noaa.gov. For husband and wife duo Ron and and Estralita Weidenbach, fish farming is a family business. The couple met in the 1970s while Ron was consulting at the East West Center in Honolulu and the World Bank, focusing on sustainable aquaculture projects in Asia. Estralita was a… SEE MORE

NOAA Fisheries and Sea Quester Farms partnered up to evaluate if kelp farms provide habitat for marine life in Alaska. Pictured here is one of Sea Quester’s farms in southeast Alaska near Juneau. Credit: Hatch Blue, Alaska Mariculture Cluster

Kelp Farms and Marine Life Co-Exist in Southeast Alaska

10/3/2026

By fisheries.noaa.gov, fisheries.noaa.gov. Marine aquaculture, or mariculture, provides economic opportunities for coastal communities in Alaska through farming shellfish and seaweed. NOAA Fisheries continues to support Alaska’s growing aquaculture industry through policy and permitting—providing access to resources and research. A recent study highlights one of our newest aquaculture research collaborations. Through this… SEE MORE

Celebrate National Seafood Month

10/2/2026

By fisheries.noaa.gov, fisheries.noaa.gov. As we welcome autumn, we also celebrate National Seafood Month! Join us all month long to celebrate sustainable seafood with new feature stories, recipes, videos, and more. There’s a lot to celebrate because—aside from being scrumptious—seafood is good for you, good for the economy, and good for… SEE MORE

A group of women aboard a boat hold large red snappers caught during a recreational fishing trip. Credit: Grayson Shepard

NOAA Announces 2026 Federal Recreational Red Snapper Season, Exempted Fishing Permits in South Atlantic

10/2/2026

By fisheries.noaa.gov, fisheries.noaa.gov. NOAA Fisheries announced today the 2026 federal recreational red snapper fishing season in the South Atlantic and the issuance of three exempted fishing permits (EFPs) to Florida, Georgia, and South Carolina. The federal recreational red snapper season will open for three days this year from October 9… SEE MORE

Newport Boat Show 2026: Award Winners, New Boats and a Castle Hill Sunset

9/30/2026

By US Harbors The weather was perfect as the US Harbors crew arrived in Newport on Thursday for the opening day of the 55th Newport International Boat Show. The show marks the unofficial start of the fall boat show season, and part of its appeal is that it’s just steps… SEE MORE

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Featured Harbors

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Who Is US Harbors?

We are a community of boaters, fishermen, surfers, scientists, waterfront homeowners, along with mariners and coastal professionals who work and live by the water. It is the project of a committed team who understand how conditions influence work and play on the coast because we live by the tides just like you. Our home port is Camden, Maine, one of over 1,400 harbors we serve.

Built For People Who Live By The Tides