Figure 8. Six-minute water levels, referenced to Mean Sea Level, recorded at the Portland, ME tidal station from February 25 to 27, 2010. During this entire period, water levels were at least a foot higher than the predicted elevations, and peaked with a surge of 4.4 feet at around 11:36 pm Local Standard Time on February 25 (marked by a black arrow). Data courtesy of NOAA's Tides & Currents website.

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Last updated on April 30, 2012

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