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)
14-04-2021 16:0050.29197-3.617140.210.363.93.4162359.5
Date Highest Hs 2021 Storm alert threshold
(0.25 yr Return Period)
09-02 4.4m 3.04m
Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)
23-01-2021 00:0050.29269-3.616070.731.2412.57.1184179.9
22-01-2021 23:3050.29267-3.616090.671.1111.17.4183209.9
22-01-2021 23:0050.29215-3.616430.660.8713.37.7172409.9
22-01-2021 22:3050.29198-3.616910.650.911.87.5180199.9
22-01-2021 22:0050.29190-3.616880.631.0110.57.4181209.9
22-01-2021 21:3050.29188-3.616840.67111.87.8172209.8
22-01-2021 21:0050.29185-3.616760.67111.17.4188279.7
22-01-2021 20:3050.29186-3.616760.711.1212.57.8181259.7
22-01-2021 20:0050.29188-3.616800.690.9910.57.5181239.8
22-01-2021 19:3050.29187-3.616800.770.91107.8179219.8
22-01-2021 19:0050.29185-3.616730.731.0811.86.9179329.8
22-01-2021 18:3050.29185-3.616450.831.32106.7177209.7
22-01-2021 18:0050.29186-3.616390.731.2812.56.7177429.6
22-01-2021 17:3050.29197-3.616050.831.2511.16.9174369.8
22-01-2021 17:0050.29211-3.615830.911.4711.16.3170299.8
22-01-2021 16:3050.29232-3.615790.971.613.36.6166399.7
22-01-2021 16:0050.29243-3.615791.071.6107183209.8
22-01-2021 15:3050.29246-3.615811.11.5511.86.5173269.7
22-01-2021 15:0050.29251-3.615851.131.52107.3179209.7
22-01-2021 14:3050.29251-3.615851.181.8610.58.2176219.8
22-01-2021 14:0050.29258-3.615901.141.7414.38.2176279.8
22-01-2021 13:3050.29256-3.615901.21.7111.18.7181199.7
22-01-2021 13:0050.29252-3.615881.11.510.58.5187209.6
22-01-2021 12:3050.29258-3.615920.931.5811.88.2183389.4
22-01-2021 12:0050.29267-3.616050.841.411.87.8186229.2
22-01-2021 11:3050.29272-3.616150.821.311.88.2193199.2
22-01-2021 11:0050.29276-3.616430.731.111.87.8184289.3
22-01-2021 10:3050.29248-3.616730.631.0211.87.5179229.3
22-01-2021 10:0050.29216-3.617140.731.0411.88.5184239.3
22-01-2021 09:3050.29204-3.617080.761.1211.18.7184269.2
22-01-2021 09:0050.29202-3.617080.641.2512.58.3183299.1
22-01-2021 08:3050.29199-3.617060.671.0711.18.3188268.9
22-01-2021 08:0050.29200-3.617080.661.0412.58.3186308.7
22-01-2021 07:3050.29191-3.616910.81.0611.18.7180249.3
22-01-2021 07:0050.29190-3.616880.710.9710.58.2190159.1
22-01-2021 06:3050.29188-3.616820.821.1611.88.2169289.7
22-01-2021 06:0050.29188-3.616820.841.2911.88.3179299.6
22-01-2021 05:3050.29188-3.616730.781.2710.58176229.8
22-01-2021 05:0050.29187-3.616580.791.1411.18170309.7
22-01-2021 04:3050.29186-3.616410.851.27108181279.5
22-01-2021 04:0050.29201-3.615980.811.12107.8184269.1
22-01-2021 03:3050.29225-3.615810.981.4811.18.3172199
22-01-2021 03:0050.29245-3.615830.881.2710.57.7176218.5
22-01-2021 02:3050.29261-3.615960.91.4412.58.2174237.9
22-01-2021 02:0050.29267-3.616030.91.5211.17.8177278.1
22-01-2021 01:3050.29271-3.616110.891.5311.17.8177288.4
22-01-2021 01:0050.29272-3.616130.921.15108184148.7
22-01-2021 00:3050.29272-3.616150.881.512.58176228.6
22-01-2021 00:0050.29274-3.616220.791.1912.57.7184248.8
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