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
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
NOAA Predicts Below-Normal 2026 Atlantic Hurricane Season
By noaa.gov, noaa.gov. Early preparation essential to staying safe all season. Forecasters with NOAA’s National Weather Service are predicting a below-normal hurricane season for the Atlantic basin this year. NOAA’s outlook for the 2026 Atlantic hurricane season, which runs June 1 to November 30, predicts a 35% chance of a… SEE MORE
El Niño and High Tide Flooding, a Possible Double Whammy for Some Coastal Communities in 2026
By oceanservice.noaa.gov, oceanservice.noaa.gov. NOAA’s National Weather Service is predicting El Niño is likely to emerge by July 2026 and continue through the winter, and for many locations in the U.S. this could mean more high tide flooding. To understand why more flooding is expected, it helps to understand what El Niño is and… 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
NOAA improves aviation forecasts to bolster U.S. air travel efficiency, safety
By noaa.gov, noaa.gov. Passengers, pilots, and crew: Get ready for greater peace of mind. Starting in late March, a new NOAA weather forecast system will provide improved prediction of two aviation hazards that pose threats to flight safety and create anxiety among passengers: airplane icing and turbulence. Covering the contiguous… SEE MORE
Spring Outlook: Drought Forecasted to Expand in U.S. West, Parts of Plains
By noaa.gov, noaa.gov. Drought conditions are forecast to worsen or develop for many areas in the West and south-central Plains, according to NOAA’s Spring Outlook released today for April through June. Forecasters from NOAA’s National Weather Service also predict above-normal temperatures for the majority of the U.S. “Factors influencing NOAA’s Spring Outlook include… SEE MORE
National Hurricane Center to Issue New Forecast Cone Graphics for 2026 Hurricane Season
By noaa.gov, noaa.gov. Other product enhancements include Hawaii Storm Surge Watches & Warnings As part of a suite of product improvements for the 2026 hurricane season [PDF], NOAA’s National Hurricane Center (NHC) is implementing two new tropical products and services: a new operational hurricane track cone map, and new storm surge alerts… SEE MORE
NOAA Strengthens Commitment to World-Class Tsunami Monitoring and Detection in Pacific
By noaa.gov, noaa.gov. National Mesonet Program ensures seismic detection continues to operate in real time A new agreement between NOAA, the Alaska Mesonet and the seismic network operated by the University of Alaska-Fairbanks Alaska Earthquake Center (UAF AEC) is funding nine AEC-owned seismic stations that support near-real-time tsunami threat information.… SEE MORE
Hurricane Erin Demonstrates Critical Maritime Coordination for Port Safety
Hurricane Erin demonstrated how proactive federal coordination successfully protected East Coast ports and maritime traffic from distant storm threats. Image Credits: NOAA. In “Hurricane Erin Demonstrates Critical Maritime Coordination for Port Safety” NOAA, published in noaa.gov. (Sep 10, 2025), it is stated: Hurricane Erin’s passage near the U.S. East Coast… 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
