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.

Start Bay

Latest Waves Data

Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)Energy Period (s)Wave Power (kW/m)
03-07-2022 01:3050.29086-3.617330.310.495.94.31792914.95.20.25
Date Highest Hs 2022 Storm Alert Threshold
(0.25 yr Return Period Hs)
Swell Alert Threshold
(0.25 yr Return Period Te)
12-03 2.9m 3.07m 12.46s
Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)Energy Period (s)Wave Power (kW/m)
03-07-2022 01:3050.29086-3.617330.310.495.94.31792914.95.20.25
03-07-2022 01:0050.29086-3.617270.320.466.34.21761914.95.20.26
03-07-2022 00:3050.29084-3.617100.360.585.64.31702514.95.10.32
03-07-2022 00:0050.29085-3.617010.350.585.94.21652214.95.10.31
02-07-2022 23:3050.29086-3.616840.380.64.64.31742314.95.10.36
02-07-2022 23:0050.29123-3.616390.380.634.84.11722014.94.80.34
02-07-2022 22:3050.29144-3.616450.380.5643.917324154.70.33
02-07-2022 22:0050.29154-3.616480.380.524.8417933154.80.34
02-07-2022 21:3050.29154-3.616450.360.54.6417333154.90.31
02-07-2022 21:0050.29157-3.616480.320.564.23.616938154.60.23
02-07-2022 20:3050.29159-3.616500.290.5353.317242154.40.18
02-07-2022 20:0050.29160-3.616520.280.4553.316947154.30.17
02-07-2022 19:3050.29159-3.616480.280.384.23.215247154.20.16
02-07-2022 19:0050.29160-3.616500.30.484.4317443153.90.17
02-07-2022 18:3050.29156-3.616480.330.454.42.81564014.93.60.19
02-07-2022 18:0050.29155-3.616480.370.53.72.815334153.50.23
02-07-2022 17:3050.29128-3.616540.410.623.52.816528153.50.29
02-07-2022 17:0050.29091-3.617250.430.654.4316730153.80.34
02-07-2022 16:3050.29093-3.617530.420.7743.3162281540.35
02-07-2022 16:0050.29095-3.617590.420.665.33.31702915.14.10.36
02-07-2022 15:3050.29087-3.617420.40.625.33.417625154.20.33
02-07-2022 15:0050.29086-3.617380.460.6253.717623154.50.47
02-07-2022 14:3050.29086-3.617380.440.664.83.617426154.60.44
02-07-2022 14:0050.29084-3.617290.510.7253.617218154.60.59
02-07-2022 13:3050.29083-3.617250.530.715.33.917622154.80.66
02-07-2022 13:0050.29083-3.617080.540.986.33.917214154.80.69
02-07-2022 12:3050.29086-3.616930.611.015.9417314154.90.9
02-07-2022 12:0050.29086-3.617030.651.314.841721814.94.81
02-07-2022 11:3050.29097-3.616760.741.185.341731714.94.71.27
02-07-2022 11:0050.29148-3.616390.791.2253.81791614.94.51.37
02-07-2022 10:3050.29161-3.616480.811.294.63.61771714.94.31.4
02-07-2022 10:0050.29172-3.616730.731.274.83.21762314.83.91.03
02-07-2022 09:3050.29171-3.616730.691.1253.11802214.83.80.9
02-07-2022 09:0050.29169-3.616650.61.1753.11762814.83.90.69
02-07-2022 08:3050.29171-3.616670.60.874.631742814.83.70.65
02-07-2022 08:0050.29171-3.616690.570.945.331802814.83.70.59
02-07-2022 07:3050.29171-3.616650.540.7952.81663414.83.50.5
02-07-2022 07:0050.29172-3.616650.520.8652.71723214.83.40.45
02-07-2022 06:3050.29170-3.616650.480.882.82.61672414.83.30.37
02-07-2022 06:0050.29168-3.616630.470.742.92.71702214.83.30.36
02-07-2022 05:3050.29171-3.616860.480.7132.81742714.83.50.39
02-07-2022 05:0050.29128-3.617510.480.683.231702214.83.60.4
02-07-2022 04:3050.29099-3.617530.510.73.63.11702014.83.70.47
02-07-2022 04:0050.29094-3.617530.50.725.63.21802614.83.80.47
02-07-2022 03:3050.29096-3.617570.480.7233.21862214.93.80.43
02-07-2022 03:0050.29090-3.617480.520.785.33.31772414.840.52
02-07-2022 02:3050.29091-3.617480.520.785.33.41792214.84.20.56
02-07-2022 02:0050.29088-3.617420.50.715.63.51772014.94.30.53
02-07-2022 01:3050.29089-3.617400.530.85.33.41761614.84.20.57
02-07-2022 01:0050.29086-3.617330.510.745.33.41771814.94.30.54