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.

Wind speed forecast bar graph

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.

"I rely on US Harbors and consult it many times a week during boating season and often multiple times per day. I've also recommended it to other boaters as a truly valuable resource."

- Bill P. Long Island, NY

Latest Coastal News Filter

Image Credits: PICRYL.

A Tale of Two Gulf of Alaska Crossings: Yacht and Tugboat

6/23/2026

By Norris Comer, best4boats. The Gulf of Alaska is one of those bodies of water that commands respect from anyone who’s crossed it — or plans to. In a vivid first-person account for Best4Boats, editorial director Norris Comer recounts two very different passages across the gulf: one aboard a 1965… SEE MORE

Image Credits: Fisheries.noaa.gov.

Celebrate National Fishing and Boating Week!

6/11/2026

By fisheries.noaa.gov, fisheries.noaa.gov. Marine recreational fishing is a cherished American pastime and draws millions of anglers to support our coastal communities. Celebrate our nation’s love for fishing and boating during National Fishing and Boating Week. Cast a line and join anglers across the country in celebrating National Fishing and Boating… SEE MORE

SEE ALL LATEST COASTAL NEWS

Featured Harbors

Cast off the lines, explore the coast, and discover new harbors!