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

Quietly Sophisticated: The Hood 42 LM

8/3/2026

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… SEE MORE

An Easy Fix for Faded Boat Registration Numbers on Your Dinghy

7/27/2026

Boating

By Arnie Hammerman, best4boats.com. If your dinghy’s registration numbers are peeling, fading, or falling off entirely, you’re not alone — and there’s a better solution than trying to paint or stick individual decals back on. A hands-on gear column from Best4Boats walks through a practical, long-lasting fix using custom-made number… SEE MORE

Back Aboard Tres Hombres: Sailing an Engineless Cargo Ship Through Europe's Historic Trade Routes

7/15/2026

By Jordan Harssen, best4boats.com. In an era of mega container ships and global supply chains, one 109-foot brigantine is making the case — voyage by voyage — that wind-powered cargo shipping isn’t just a relic of the past. The Tres Hombres, operated by Fair Transport out of the Netherlands, has… SEE MORE

In The Zone: The Sabre 51 Salon Express

By US Harbors When Sabre Yachts completed construction of hull number 200 of its 48 Salon Express model, more than half the crew who built it had also worked on hull number one. The average tenure on that line was 12 years, and they produced a yacht that proved to… Learn More

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

Staying Connected on the Water: How Boaters Are Integrating Starlink With Onboard Internet Systems

4/21/2026

By Arnie Hammerman, best4boats. Reliable internet access aboard has gone from a luxury to a near-necessity for many cruising boaters — whether for weather updates, navigation, communication with marinas, or simply staying in touch. While Starlink has been a game-changer for offshore connectivity, a practical guide from Best4Boats makes the… SEE MORE

The Boston Whaler 290 Outrage at the 2026 Miami International Boat Show

New Boats and Marine Gear Debut at 2026 Miami International Boat Show

3/17/2026

By best4boats.com, best4boats.com. The Discover Boating Miami International Boat Show remains the marine industry’s premier stage for new product launches, and the 2026 edition didn’t disappoint. For boaters keeping an eye on what’s coming to marinas and harbors this season, Best4Boats has compiled a first look at some of the… SEE MORE

Solar Electric Yachts Extend Range

2/4/2026

By YCC Team, Yaleclimateconnections.org. As solar-powered yachts become more prevalent, harbor and marina operators face new infrastructure considerations including electrical capacity for battery charging, appropriate dock assignments for vessels with rooftop solar arrays, and understanding the operational patterns of these emerging zero-emission vessels. The technology represents a shift that could… SEE MORE

boats in a calm harbor along the Seattle washington waterfront

2026 Seattle Boat Show: West Coast's Premier Maritime Event Returns

2/1/2026

By Dawn Anderson, best4boats.com. The Seattle Boat Show represents a significant convergence point for Pacific Northwest maritime commerce, utilizing both indoor exhibition space and Bell Harbor Marina’s in-water facilities to showcase the region’s boating industry. For harbor operators and marina managers, the annual event demonstrates the capacity and economic impact… SEE MORE

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Featured Harbors

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A laptop computer displaying the tide page on US Harbors

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