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.

Porthleven

Latest Waves Data

Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)
18-09-2021 14:0050.06230-5.306591.061.6106.12451817
Date Highest Hs 2021 Storm alert threshold
(0.25 yr Return Period)
30-01 6.4m 4.88m
Time (GMT)LatitudeLongitudeWave Height (m)Max Wave Height (m)Tpeak (s)Tz (s)Peak Direction (degrees)Spread (degrees)Sea Temp (°C)
18-09-2021 14:0050.06230-5.306591.061.6106.12451817
18-09-2021 13:3050.06232-5.306610.951.6111.15.62451517.1
18-09-2021 13:0050.06236-5.306550.891.71105.32452317.1
18-09-2021 12:3050.06239-5.306590.881.42105.32462017
18-09-2021 12:0050.06244-5.306550.771.6110.54.82461617.1
18-09-2021 11:3050.06282-5.306780.781.3311.15.82452317
18-09-2021 11:0050.06287-5.307150.851.31106.52431717.1
18-09-2021 10:3050.06286-5.307360.951.11107.32481617
18-09-2021 10:0050.06289-5.307560.821.311.17.52451317.1
18-09-2021 09:3050.06285-5.307600.731.1110.56.92421917
18-09-2021 09:0050.06284-5.307640.741.2110.56.92431317
18-09-2021 08:3050.06279-5.307660.671.0411.16.52431716.9
18-09-2021 08:0050.06270-5.307660.751.2106.52461316.9
18-09-2021 07:3050.06254-5.307660.731.1710.562421616.9
18-09-2021 07:0050.06236-5.307380.741.0210.562461416.9
18-09-2021 06:3050.06233-5.307040.821.1105.92431016.9
18-09-2021 06:0050.06230-5.306870.831.0910.55.82421816.9
18-09-2021 05:3050.06226-5.306780.791.327.75.62381916.9
18-09-2021 05:0050.06227-5.306720.791.57.75.32451816.9
18-09-2021 04:3050.06226-5.306650.851.286.35.32351816.9
18-09-2021 04:0050.06226-5.306650.771.336.34.92332516.9
18-09-2021 03:3050.06227-5.306680.811.16.34.92322316.9
18-09-2021 03:0050.06228-5.306630.821.145.94.92282116.9
18-09-2021 02:3050.06232-5.306630.791.316.35.32322016.9
18-09-2021 02:0050.06235-5.306650.751.37.15.62391716.9
18-09-2021 01:3050.06239-5.306590.841.146.75.82351516.9
18-09-2021 01:0050.06238-5.306650.711.246.75.72331916.9
18-09-2021 00:3050.06242-5.306630.671.25.95.62282316.9
18-09-2021 00:0050.06238-5.306740.631.196.75.62362216.9
17-09-2021 23:3050.06234-5.307080.651.086.75.62312016.9
17-09-2021 23:0050.06255-5.307340.611.026.75.62291916.9
17-09-2021 22:3050.06266-5.307400.591.126.75.42322316.9
17-09-2021 22:0050.06278-5.307470.661.026.35.42142016.9
17-09-2021 21:3050.06285-5.307470.690.987.15.52282116.9
17-09-2021 21:0050.06287-5.307490.681.017.75.12362016.9
17-09-2021 20:3050.06287-5.307530.761.026.352112116.9
17-09-2021 20:0050.06285-5.307560.861.187.15.22281516.9
17-09-2021 19:3050.06288-5.307560.821.366.74.82192416.9
17-09-2021 19:0050.06284-5.307560.881.226.34.82002516.9
17-09-2021 18:3050.06288-5.307510.991.316.34.92212016.9
17-09-2021 18:0050.06292-5.3073011.445.94.82082216.9
17-09-2021 17:3050.06294-5.307131.031.465.94.72072516.9
17-09-2021 17:0050.06286-5.306851.151.76.34.82182216.9
17-09-2021 16:3050.06280-5.306721.211.556.34.62252116.9
17-09-2021 16:0050.06265-5.306631.352.146.34.62212116.9
17-09-2021 15:3050.06266-5.306551.331.766.34.62192716.9
17-09-2021 15:0050.06281-5.306631.3825.94.62252316.9
17-09-2021 14:3050.06293-5.306761.362.156.34.52322316.9
17-09-2021 14:0050.06298-5.306831.271.966.34.42292216.9
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