NOAA Tide Charts in One Click!

Clicking the Refresh button loads a NOAA (National Oceanic and Atmospheric Administration) tide chart for the tide substation closest to your selected marker. If no marker is currently selected, the tide chart will be based on the substation closest to the latitude and longitude of the center position on the map. Keep in mind that only a 2° x 2° area is searched for tide substations, so if you're browsing the midwest you won't get tide data.

The Tide Graph

Mousing over or clicking on the line graph will display the exact time and tide height, eliminating guess-work.

Mark the Tide Station

Clicking the "Save this marker" link save the Tide Station marker at the location of your current tide predictions chart. This marker is persistent and is saved to your account, so it will load on subsequent visits. To delete it simply click on it and use the delete marker button.

Nearby Tide Stations

Clicking the "Display nearby tide stations" link will populate your current vicinity with Tide Station markers. These markers are temporary, and will not be saved to your account. Mousing over these markers will display the name of the substation. You can delete these markers by using the delete marker button, but considering that there are likely a bunch of them displayed, it's easier to refresh your browser (F5) to reload the UI in a clean state.

Ten Years of Historical / Future Tide Data

Clicking the Calendar button will pop up the calendar control. You can select any date from ten years in the past to ten years in the future.

Just click the Refresh button to load tide data for a 3-day range from your selected date.