Sunday, May 27, 2012

Tide Graphs for Southeast U.S.


This image is a tide graph for Fort Pulaski, Georgia. The red line shows actual water levels, the blue line shows predicted water levels, and the green line is the observed minus predicted level. The green line reveals the storm surge level, which is sometimes called the residual.

Note that the next high tide is predicted early this afternoon. This means that water levels would normally rise almost six feet above the level at low tide. During a storm surge event, water levels will exceed predicted values, making flooding most dangerous at the time of high tide.

Tide graphs for areas impacted by Beryl are posted to a special NOAA Tides and Currents page at: Water levels are updated frequently, so check back often for the latest updates.

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