National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.

Second Severn Crossing

Tide Levels and Harmonics

  

Average values for 2016

MonthHs (m)Tp (s)Tz (s)Dirp (degrees)TSea (degrees C)
January0.134.12.2--
February0.164.52.4--
March0.124.52.3--
April0.115.72.3--
May0.14.72.2--
June0.114.12.2--
July0.1242.2--
August0.134.12.3--
September0.1242.3--
October0.14.92.2--
November0.114.72.3--
December0.14.32.3--

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