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Tide Graph HD

Tide Graph HD
  • #: 219875
  • Price: $1.99 In Apple Store
  • Category: Navigation
  • Updated: 2017-03-02
  • Current Version: 4.5
  • 4.5
  • Size: 1.40 MB
  • Language: English
  • Seller: Brainware
  • Requirements: Compatible with iPad. Requires iOS 3.2 or later
  • © Brainware
  •  Add to Favorite apps



Now available, the #1 US Tide Prediction app has redesigned for iPad with extra features like saved tide tables, calendar date picker, built in map, improved graphics, and more.

Tide Graph HD uses the harmonic predictions from thousands of US coastal stations and presents them in a fun and interactive graph. And now, in version 2.0 you also get an intuitive graph that shows sunrise, sunset, moonrise, moonset, and moon phase at a glance. Save recent locations, find locations using GPS location, and save graphs for later.

Tides have a great influence on the lives of boaters, fishermen, surfers, coastal communities, marine life, and vacationers just to name a few. Directly or indirectly, the great flow of our massive ocean bodies of water impact the daily lives of everyone on this planet.

The cyclical movement of the Earth's tides are caused by a combination of the gravitational forces of the sun and moon as well as the shape of the costal region. Unlike simple tide clocks that you can buy in novelty stores, more accurate tide predictions use special data gathered by instruments located at each tide station. The data from these measurements are used to determine the harmonic components which then feed into the mathematical algorithms which predict tides for the future. The end results are tested for accuracy and adjustments are made as necessary.

Tide Graph has US owned Tide Stations Only. An internet connection is required to get the latest tide graph. - See TideGraph.com for a complete list of stations.

What's New in Version 4.5

Updated locations. Added In-App purchases.

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Rated 3/5 based on 3 customer reviews.


0/5 stars

Warning: Daylight Savings Time Error

I hold a 100 ton Coast Guard Masters license and have been using this program for several years and think it is great. However, there is a one hour error that is universal to all tides, all tide stations, sunrise and set, moonrise and set after Daylight Savings Time goes into effect. In other words, the program is not accurate beginning March 13, 2011 and going forward. I've compared with other programs like Aye Tides and the error is unique to Tide Graph. It is dangerous to use the program after March 13, 2011!!!

5/5 stars

Great App!

Wonderful program. I use it everyday. It's accurate and so easy to use. The graphic display of the tide is fantastic. Go ahead and spend the $1.99 it is definitely worth it. Shows moon phase as well. I have it on my iPhone and iPad. Best nautical app out there.
I am very happy with and cannot think of a single upgrade that is necessary. Perfect program.

4/5 stars

Please add currents

Good graphics, which make it a pleasure to use on my iPad. But I find myself going back to an earlier purchased Tide App as it also displays the currents. Can the developer add currents please?


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