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
NOAA Fisheries Finds Listing Gulf of Alaska Chinook Salmon Under the Endangered Species Act “Not Warranted”
By fisheries.noaa.gov, fisheries.noaa.gov. NOAA Fisheries’ 12-month review shows a low risk of extinction. NOAA Fisheries has completed a status review and 12-month finding for Gulf of Alaska Chinook salmon in response to a January 2024 petition. The Wild Fish Conservancy petitioned to delineate and list one or more evolutionarily significant units (ESUs) of Gulf of Alaska Chinook salmon… SEE MORE
Capelin: a “Sea Canary” for Marine Ecosystem Change in Response to Heatwaves
By fisheries.noaa.gov, fisheries.noaa.gov. Capelin are a major forage fish species in high-latitude marine ecosystems. Recent heatwaves in Alaska led to a dramatic decline in capelin abundance, which can have major impacts on predators, including marine mammals, seabirds, and fish. Twenty years ago, Dr. George Rose with Memorial University of Newfoundland called capelin… SEE MORE
WHOI Scientist Hunts for 10-Million-Year-Old Ice in Antarctica
By Evan Lubofsky, whoi.edu. Ancient ice buried beneath Antarctica holds trapped air bubbles that serve as tiny time capsules of Earth’s atmosphere — and a WHOI geoscientist is pushing the record further back than ever before. Sarah Shackleton, who helped recover 6-million-year-old ice cores from Antarctica’s Allan Hills in 2023,… 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
Restoring Habitat for Great Lakes Fish at the Historic Edsel and Eleanor Ford Estate
By fisheries.noaa.gov, fisheries.noaa.gov. With $7 million in funding from NOAA Fisheries, the Ford House estate on Lake St. Clair in Michigan is rebuilding shoreline habitat for fish and other wildlife while expanding access and educational opportunities for visitors. NOAA Fisheries’ Office of Habitat Conservation has established a unique partnership with Ford House, the… SEE MORE
![The aftermath of the Morrill Fire as seen from aircraft on March 14, 2026. [Image credit: Watch Duty/InciWeb]](https://www.usharbors.com/wp-content/uploads/2026/04/Aftermath-of-the-Morrill-fire.png-660x660.webp)
NOAA’s Wildfire Detection System a “Game Changer” for Nebraska’s Record-Breaking Morrill Fire
By noaa.gov, noaa.gov. When the Morrill Fire ignited on March 12, 2026, it quickly grew into the largest wildfire in Nebraska history. As the fire rapidly burned across the state, NOAA’s Next Generation Fire System (NGFS) provided the critical eye-in-the-sky perspective for the massive response to the record-breaking fire. The up-to-the-minute guidance… SEE MORE
Solar Electric Yachts Extend Range
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
North Atlantic Right Whale Calving Season 2026
By fisheries.noaa.gov, fisheries.noaa.gov. The right whale calving season begins in mid-November and runs through mid-April. Researchers have identified 15 calves so far this calving season. Every single female North Atlantic right whale and calf are vital to this endangered species’ recovery. Since 2017, the whales have been experiencing an Unusual Mortality Event, which… SEE MORE
Toxic Algae Bloom Overwhelms California Marine Rescuers as Sea Lions Fall Ill
By Dawn Anderson, Published in best4boats.com. A severe harmful algal bloom along Southern California’s coast is creating hazardous conditions not only for marine mammals but also for boaters and beachgoers who may encounter disoriented or aggressive sea lions. The crisis highlights growing concerns about ocean health along one of America’s… 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
