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.

Wind speed forecast bar graph

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.

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Latest Coastal News Filter

Image Credits: Flickr.com.

Remarkably Bright Creatures: A Story of Octopus Intelligence Set in the Pacific Northwest

6/9/2026

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

Physician Dr. Larry Spetka swims with his namesake, Larry the whale shark, in the Gulf in May 2025. Credit: BWRI/Jamison Smith

A Year in the Life of Larry the Whale Shark

6/8/2026

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

This image is of a salt marsh in coastal Maine. The high-resolution, land cover mapping NOAA has done for the state captures the tidal creeks, pannes, pools and vegetation with far greater precision and detail than past, 30-meter mapping. (Image credit: NOAA)

The Coast Is Clear-er: NOAA Unveils New Land Cover Maps 900 Times Greater In Detail

6/7/2026

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

Coral bleaching at Cheeca Rocks in the Florida Keys in 2023. [Credit: NOAA]

World’s Fourth Mass Coral Bleaching Event Likely Ended in 2025

6/7/2026

By nesdis.noaa.gov, nesdis.noaa.gov. After analyzing satellite data and bleaching observations, NOAA’s experts say the record-breaking fourth global coral bleaching event likely concluded in mid-2025. The fourth global coral bleaching event was confirmed by NOAA on April 15, 2024. From early-2023 to mid-2025, bleaching-level heat stress impacted 84% of the world’s coral… SEE MORE

During the 2025 Deep-sea Habitats of the Cook Islands expedition on Exploration Vessel Nautilus the team surveyed various seascapes to better understand seabed environments, and natural and mineral resources in the region. In this image, polymetallic nodules rest on sediment accumulated in a depression between rounded pillows and extended lobate lava flows, which are evidence of ancient volcanoes. (Image credit: Courtesy of Ocean Exploration Trust)

NOAA Scientists and Partners to Map Deep Waters, Seabed in the Cook Islands

6/6/2026

By noaa.gov, noaa.gov. This summer, NOAA Ocean Exploration will conduct an expedition on NOAA Ship Okeanos Explorer to map, explore and characterize deep waters off the coast of the Cook Islands. The effort is in partnership with the Cook Islands Seabed Minerals Authority. Using remotely operated vehicles (ROVs), mapping technologies and onsite… SEE MORE

A NOAA Fisheries-led team counts and samples Pacific salmon, trout and Arctic char below the NOAA Fisheries Auke Creek Research Station fish weir in Juneau, Alaska, May 4, 2022.(Image credit: NOAA Fisheries)

Pink Salmon Invasion in Great Lakes Has Lessons for North Atlantic, Arctic Communities

6/3/2026

By fisheries.noaa.gov, fisheries.noaa.gov. New NOAA-led research on the history of the rise of pink salmon in the Great Lakes may help fishery managers and communities on the North Atlantic and Arctic oceans tackle the recent rapid growth of the species in these new areas. It could also help those in… SEE MORE

Sailboat at anchor in a cove, blue green water.

Anchoring to Fish vs. Anchoring to Sleep: Why the Technique — and the Tackle — Should Change

6/2/2026

By Jim Hendricks, boatingmag.com. Anchoring is one of the most fundamental skills in boating, yet many recreational boaters use the same setup and approach whether they’re positioning over a wreck for an afternoon of fishing or settling into a harbor anchorage for the night. A new seamanship column from Boating… SEE MORE

Cyclothone or "Bristlemouth" fish illustration

The Ocean's Most Abundant Fish Evolved in Extreme Heat — and That May Be Good News

5/31/2026

By Daniel Hentz, whoi.edu. The most numerous fish in the ocean isn’t one most boaters or anglers will ever see. Bristlemouths — tiny, deep-dwelling fish of the genus Cyclothone — number in the quadrillions and play a major role in the ocean’s biological carbon pump, helping move CO₂ from the… SEE MORE

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