National Network of Regional Coastal Monitoring Programmes

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Note that these are real-time data and are not quality-controlled.

St Mary's Sound

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)
28-02-2024 11:3049.89171-6.314181.091.515.94.82333910.76.53.78
Date Highest Hs 2024 Storm Alert Threshold
(0.25 yr Return Period Hs)
Swell Alert Threshold
(0.25 yr Return Period Te)
21-01 4.9m 4.47m 10.88s
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)
14-08-2022 00:0049.89218-6.313960.350.654.23.61382915.54.90.3
13-08-2022 23:3049.89224-6.313940.340.54.83.81203515.85.20.3
13-08-2022 23:0049.89198-6.313940.330.54.841363716.960.32
13-08-2022 22:3049.89180-6.313960.350.5622.24.315960177.10.42
13-08-2022 22:0049.89164-6.313960.380.6854.31173317.56.30.45
13-08-2022 21:3049.89158-6.313980.350.568.34.32466517.37.10.42
13-08-2022 21:0049.89162-6.313920.40.5815.44.41814916.46.90.54
13-08-2022 20:3049.89148-6.313770.390.554.84.21063816.860.45
13-08-2022 20:0049.89136-6.312980.480.794.83.81073216.55.10.57
13-08-2022 19:3049.89138-6.313040.490.694.23.7973915.450.59
13-08-2022 19:0049.89196-6.312400.460.694.23.6893416.64.70.49
13-08-2022 18:3049.89247-6.311540.470.7143.61013117.24.70.51
13-08-2022 18:0049.89259-6.311540.470.723.73.6942717.94.70.51
13-08-2022 17:3049.89254-6.311500.470.83.73.61033117.84.80.52
13-08-2022 17:0049.89272-6.311600.450.753.73.5963118.34.80.48
13-08-2022 16:3049.89284-6.311800.420.563.53.51033617.75.10.44
13-08-2022 16:0049.89282-6.311710.410.573.23.4834219.64.80.4
13-08-2022 15:3049.89284-6.311860.430.663.53.3963720.34.60.41
13-08-2022 15:0049.89280-6.311650.510.723.23.19432153.90.49
13-08-2022 14:3049.89278-6.311730.470.743.12.91043115.53.80.41
13-08-2022 14:0049.89282-6.311820.470.613.2312131163.80.42
13-08-2022 13:3049.89286-6.311920.470.83.32.91133115.73.90.42
13-08-2022 13:0049.89287-6.312120.440.713.52.912446173.80.36
13-08-2022 12:3049.89295-6.312460.450.733.5310842173.90.38
13-08-2022 12:0049.89297-6.313020.40.553.63.21064317.14.20.33
13-08-2022 11:3049.89259-6.313810.380.53.73.51013717.24.80.34
13-08-2022 11:0049.89203-6.313980.380.577.73.82324517.15.60.4
13-08-2022 10:3049.89182-6.313960.360.568.34.12125417.36.10.39
13-08-2022 10:0049.89173-6.313960.360.5815.44.31695717.17.90.5
13-08-2022 09:3049.89164-6.314030.340.4315.44.12497016.96.80.39
13-08-2022 09:0049.89164-6.313830.340.4815.44.32327116.76.90.39
13-08-2022 08:3049.89154-6.313810.330.4515.44.23195616.66.70.36
13-08-2022 08:0049.89123-6.313280.390.498.342575917.46.20.46
13-08-2022 07:3049.89129-6.312630.390.597.73.72155915.45.80.43
13-08-2022 07:0049.89191-6.312220.40.78.33.72526416.55.50.43
13-08-2022 06:3049.89254-6.311580.470.663.93.8892717.85.50.6
13-08-2022 06:0049.89269-6.311650.470.83.94982817.55.80.62
13-08-2022 05:3049.89268-6.311600.440.593.93.9913818.960.57
13-08-2022 05:0049.89277-6.311600.430.6543.9913318.85.70.52
13-08-2022 04:3049.89291-6.311840.410.5914.341246218.55.90.49
13-08-2022 04:0049.89281-6.311620.380.5444774119.15.90.42
13-08-2022 03:3049.89280-6.311800.390.5614.33.92083619.16.30.47
13-08-2022 03:0049.89284-6.311860.40.623.63.41153117.850.39
13-08-2022 02:3049.89284-6.311860.420.6515.43.319049164.90.42
13-08-2022 02:0049.89291-6.312010.420.5615.43.218153164.70.41
13-08-2022 01:3049.89294-6.312160.430.663.73.21112815.94.40.4
13-08-2022 01:0049.89290-6.313080.420.573.93.21212416.64.30.38
13-08-2022 00:3049.89257-6.313860.440.744.23.31083316.64.20.4
13-08-2022 00:0049.89254-6.313880.440.664.43.51043416.64.60.44