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

Shipboard Medicine: From Wooden Chest to Telemedicine on the High Seas

4/8/2026

By EVAN LUBOFSKY, whoi.edu. Medical emergencies far from shore are a reality every mariner must contend with — whether aboard a research vessel, a commercial fishing boat, or a cruising yacht. A fascinating new piece from WHOI’s Oceanus magazine traces the evolution of shipboard medicine through the lens of the… SEE MORE

Shark Attack Statistics: Understanding Coastal Safety Risks

1/17/2026

By Alexander Laybourne, worldanimalfoundation.org. For harbor communities, beach managers, and coastal recreation operators, understanding actual shark attack statistics helps put ocean safety risks in proper perspective. While shark encounters generate significant media attention and public concern, data-driven analysis reveals that the statistical risk remains remarkably low—information that’s valuable for coastal… SEE MORE

New Video Series Helps Boaters Avoid Lobster Gear

8/29/2025

By US Harbors If you’ve ever been boating along the Maine coast, you’ve seen the many buoys used to mark lobster traps. Maine boaters simply refer to these buoys as “lobster pots.” If you hear “lobster pot,” you might picture a metal container filled with water for boiling lobsters, and… 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

Mapping the Waters of Valdez, Alaska for Tsunami and Landslide Preparedness

7/31/2025

By oceanservice.noaa.gov. A new partnership between NOAA and the City of Valdez, Alaska will help emergency managers prepare for future earthquakes, tsunamis, and underwater landslides. This partnership will support mapping 34 square nautical miles of the Port of Valdez — an important gateway to interior Alaska. A devastating earthquake in 1964 caused… SEE MORE

15 Tips for Planning Your Best Day at the Beach

7/21/2025

By noaa.gov. Days spent at the beach create a lifetime of memories: building sand castles, swimming, boating, or even just listening to the waves crash while reading a great book. At NOAA, we tend to take things an extra step further when we go to the beach. Whether it’s tracking… SEE MORE

Things you can do to be Better Prepared for Major Flooding

7/13/2025

By Caleigh Wells. Catastrophic floods can be difficult to prepare for. Sometimes evacuation is the right call, but if it’s too late the best bet is to find higher ground nearby. The stakes can be high, because a flash flood may give those in its path only minutes or seconds to react.… SEE MORE

Master the Art of West Coast Bass Fishing

7/7/2025

By US Harbors. The golden kelp forests stretching along California’s coast harbor one of the Pacific’s most sought-after gamefish: the California calico bass. These checkerboard-patterned fighters, officially known as kelp bass, offer anglers an exciting challenge that combines technical skill with the raw thrill of pulling hard-fighting fish from dense… SEE MORE

The Art of Residential Dock Fishing

7/5/2025

By US Harbors. Strategies for Residential Dock Fishing in Salt Water Residential docks represent some of the most accessible and productive saltwater fishing opportunities available to coastal anglers. With millions of Americans living within casting distance of salt water, understanding how to effectively fish these man-made structures can unlock consistent… 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