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
Meet The Great Marsh Shellfish Company, Oyster Growers in Massachusetts
By fisheries.noaa.gov, fisheries.noaa.gov. When you farm shellfish on Massachusetts’ beautiful coastal marshes, the world is your oy-stah! At least according to Brenden Doyle, a Gloucester native with family roots in Massachusetts’ commercial and recreational fishing industry. He spent his childhood boating and fishing around Cape Ann and learning about the… SEE MORE
Celebrate National Fishing and Boating Week!
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
NOAA Fisheries Announces $2.3 Million to Study Atlantic Mackerel with the Northeast Fishing Industry
By fisheries.noaa.gov, fisheries.noaa.gov. NOAA Fisheries is beginning a cooperative research initiative, partnering with the Northeast fishing industry to learn more about Atlantic mackerel population dynamics. The initiative will receive $2.3 million in the current fiscal year. The project will engage more than 50 fishing vessels to collect and analyze data… 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
Reconnecting Rivers Boosts Oregon Coast Coho Recovery
By fisheries.noaa.gov, fisheries.noaa.gov. NOAA Fisheries supports one of the most ambitious salmon restoration projects on Oregon’s coast: the Salmon SuperHwy. This partnership of more than a dozen organizations works across the Tillamook, Nestucca, and Sand Lake watersheds. It works to restore fish passage at dozens of stream barriers, such as failing… SEE MORE
WHOI Develops Tool to Predict Coral Bleaching Months Before It Strikes
By whoi.edu, whoi.edu. A new forecasting tool from Woods Hole Oceanographic Institution could give reef managers and coastal communities a five-to-six-month head start on one of the ocean’s most destructive events: coral bleaching. Called the Bleaching Event Early Predictor (BEEP), the system works by tracking three large-scale climate patterns in… SEE MORE
Remarkably Bright Creatures: A Story of Octopus Intelligence Set in the Pacific Northwest
By Janet Green Hammerman, best4boats.com. The Netflix adaptation of Shelby Van Pelt’s bestselling novel Remarkably Bright Creatures is drawing renewed attention to one of the ocean’s most fascinating inhabitants — the giant Pacific octopus. Set in a fictional Pacific Northwest coastal town, the story follows an aging widow, a drifting… SEE MORE
A Year in the Life of Larry the Whale Shark
By fisheries.noaa.gov, fisheries.noaa.gov. One year ago today, researchers deployed a satellite tag on a whale shark off the coast of Tampa Bay, Florida. They never could have anticipated the epic journey that would ensue. On May 28, 2025, researchers set out from Boca Ciega Bay, Florida, heading into the Gulf… SEE MORE
The Coast Is Clear-er: NOAA Unveils New Land Cover Maps 900 Times Greater In Detail
By noaa.gov, noaa.gov. NOAA is releasing new, higher-resolution land cover maps for coastal Alabama, Mississippi, Northeastern Ohio, Rhode Island, and the Puget Sound in Washington. The data will be made available through the Digital Coast website and will provide these communities with better information for decisions related to stormwater management, water quality… SEE MORE
Featured Harbors
Cast off the lines, explore the coast, and discover new harbors!
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Boston Light, MA
Massachusetts
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Chicago, IL
Lake Michigan, IL
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San Diego, CA
South Coast, CA
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San Francisco, CA
San Francisco Bay Area, CA
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Ogunquit, Perkins Cove, ME
Southern Coast & Casco Bay, ME
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New Meadows River, ME
Southern Coast & Casco Bay, ME
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Seattle, WA
Washington
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Montauk Harbor, NY
New York
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Annisquam Lobster Cove, MA
North Shore, MA
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Lynn Harbor, MA
North Shore, MA
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Amelia Earhart Dam, Mystic River, MA
Massachusetts
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Boston, MA
Massachusetts
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Rockland, ME
Midcoast & Penobscot Bay, ME
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Rockport, ME
Midcoast & Penobscot Bay, ME
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Nantucket, MA
Massachusetts
