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
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
LED Flares Are Replacing Pyrotechnics — What Boaters Need to Know
By Norris Comer, Best4Boats.com. A significant shift in boating safety equipment is underway. The U.S. Coast Guard is retiring traditional pyrotechnic flares from its own vessels by April 2026 and has issued new rules that make USCG-approved electronic visual distress signaling devices (eVDSDs) easier to carry and more widely available.… SEE MORE
Shark Attack Statistics: Understanding Coastal Safety Risks
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
FEATURED CONTENT
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
New Video Series Helps Boaters Avoid Lobster Gear
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
Tips for Loading a Boat on a Trailer in a Crosscurrent
By boatingmag.com. Balancing thrust, current strength and a good plan are keys to loading your boat while fighting a strong crossing current. Many, if not most, boat-launch ramps are situated so as to be somewhat sheltered from strong currents. Not all ramps offer this convenience, though. At some point, you… SEE MORE
Mapping the Waters of Valdez, Alaska for Tsunami and Landslide Preparedness
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
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
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
Featured Harbors
Cast off the lines, explore the coast, and discover new harbors!
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Port Clinton, OH
Ohio
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Palm Beach, FL
Southeast, FL
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Bath, ME
Midcoast & Penobscot Bay, ME
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Fort Lauderdale – Bahia Mar YC, FL
Miami & South FL
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Roche Harbor, San Juan Island, WA
Washington
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Westport, Grays Harbor, WA
Western Pacific Coast, WA
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St. Petersburg, FL
Tampa Bay & West Central, FL
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Portland, ME
Southern Coast & Casco Bay, ME
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Annapolis, MD
Potomac River, D.C & Western Chesapeake Bay, MD
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Charleston, SC
South Carolina
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Valdez, AK
Southwest, AK
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Lake Worth Creek, Day Beacon 19, ICWW, FL
Southeast, FL
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Jupiter, Lake Worth Creek, ICWW, FL
Southeast, FL
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Jupiter Inlet, South Jetty, FL
Southeast, FL
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Southwest Harbor, ME
Maine
