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)
20-09-2021 18:3050.29270-3.616220.420.62104.91843117.3
Date Highest Hs 2021 Storm alert threshold
(0.25 yr Return Period)
09-02 4.4m 3.07m
Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)
20-09-2021 18:3050.29270-3.616220.420.62104.91843117.3
20-09-2021 18:0050.29271-3.616220.40.53104.71793117.3
20-09-2021 17:3050.29273-3.616240.390.5654.51225717.4
20-09-2021 17:0050.29273-3.616240.370.665.34.21036117.4
20-09-2021 16:3050.29274-3.616240.360.564.64.11204717.4
20-09-2021 16:0050.29275-3.616280.340.554.84.21205517.4
20-09-2021 15:3050.29261-3.616500.360.564.84.21183517.4
20-09-2021 15:0050.29211-3.616990.340.594.84.31253817.4
20-09-2021 14:3050.29201-3.617080.320.4912.54.51903917.4
20-09-2021 14:0050.29198-3.617080.290.395.34.41354017.4
20-09-2021 13:3050.29193-3.617080.290.4512.54.92116217.4
20-09-2021 13:0050.29193-3.617100.260.412.54.72144917.4
20-09-2021 12:3050.29190-3.617030.290.4313.34.91805417.4
20-09-2021 12:0050.29187-3.616990.280.4412.54.91564517.5
20-09-2021 11:3050.29190-3.617030.260.4611.84.81656717.4
20-09-2021 11:0050.29189-3.617010.290.410.55.31424217.5
20-09-2021 10:3050.29187-3.616990.310.513.35.31884317.4
20-09-2021 10:0050.29188-3.616970.330.516.35.21692317.4
20-09-2021 09:3050.29191-3.616970.320.477.14.91702717.4
20-09-2021 09:0050.29191-3.616950.340.645.94.81702217.3
20-09-2021 08:3050.29217-3.616690.350.5210.54.82003717.3
20-09-2021 08:0050.29235-3.616450.370.5311.15.12193317.3
20-09-2021 07:3050.29246-3.616300.40.61105.31912717.3
20-09-2021 07:0050.29262-3.616240.380.52104.92154617.3
20-09-2021 06:3050.29266-3.616220.350.5711.14.81943117.3
20-09-2021 06:0050.29269-3.616220.330.6311.14.51883317.3
20-09-2021 05:3050.29272-3.616200.320.51104.91734017.3
20-09-2021 05:0050.29272-3.616200.270.4310.54.51904617.3
20-09-2021 04:3050.29274-3.616220.230.3511.14.42004717.3
20-09-2021 04:0050.29273-3.616220.240.36104.41884117.3
20-09-2021 03:3050.29273-3.616300.220.3411.84.32015817.3
20-09-2021 03:0050.29242-3.616650.220.2910.54.51694617.3
20-09-2021 02:3050.29204-3.616990.210.310.54.72104617.3
20-09-2021 02:0050.29197-3.617030.20.311.151985517.3
20-09-2021 01:3050.29194-3.617060.180.3310.55.21704917.3
20-09-2021 01:0050.29190-3.617080.20.2711.15.32246017.3
20-09-2021 00:3050.29190-3.617060.190.316.35.41384917.3
20-09-2021 00:0050.29189-3.617010.210.410.55.82155617.3
19-09-2021 23:3050.29187-3.616970.20.3510.55.61835417.3
19-09-2021 23:0050.29187-3.616950.240.349.16.11603117.3
19-09-2021 22:3050.29186-3.616950.240.379.15.81634317.4
19-09-2021 22:0050.29188-3.616950.290.336.35.81701917.3
19-09-2021 21:3050.29188-3.616930.320.446.75.61662417.4
19-09-2021 21:0050.29189-3.616880.340.51105.81703517.4
19-09-2021 20:3050.29189-3.616860.350.526.75.41732017.4
19-09-2021 20:0050.29217-3.616560.370.546.35.41721917.5
19-09-2021 19:3050.29235-3.616330.370.52105.41944117.5
19-09-2021 19:0050.29252-3.616200.350.5710.55.31943417.4
19-09-2021 18:3050.29265-3.616200.340.5710.55.11793217.4
19-09-2021 18:0050.29267-3.616200.30.45105.31903717.4
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