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)
17-05-2021 22:0050.06237-5.306481.792.819.15.32421612.2
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)
17-05-2021 22:0050.06237-5.306481.792.819.15.32421612.2
17-05-2021 21:3050.06235-5.306481.782.968.35.42421712.2
17-05-2021 21:0050.06239-5.306461.832.728.35.32461512.2
17-05-2021 20:3050.06239-5.306461.882.979.15.32451712.2
17-05-2021 20:0050.06238-5.306461.922.59105.52391712.3
17-05-2021 19:3050.06240-5.306461.963.49.15.52461612.3
17-05-2021 19:0050.06243-5.306441.922.5410.55.62452712.3
17-05-2021 18:3050.06245-5.306421.872.7810.55.42452512.3
17-05-2021 18:0050.06244-5.306421.92.82105.42432112.3
17-05-2021 17:3050.06244-5.306401.782.59105.12462212.3
17-05-2021 17:0050.06257-5.306331.82.428.35.32411812.4
17-05-2021 16:3050.06266-5.306351.722.96105.42491512.3
17-05-2021 16:0050.06265-5.306311.742.7110.55.42451612.3
17-05-2021 15:3050.06262-5.306331.572.9210.552462112.3
17-05-2021 15:0050.06274-5.306351.732.3610.55.32461612.3
17-05-2021 14:3050.06269-5.306351.612.5910.55.32421612.3
17-05-2021 14:0050.06266-5.306351.612.189.15.12391912.3
17-05-2021 13:3050.06262-5.306311.652.2210.55.32451312.3
17-05-2021 13:0050.06243-5.306381.662.4910.55.42421412.3
17-05-2021 12:3050.06236-5.306481.683.1211.15.22411712.2
17-05-2021 12:0050.06233-5.306481.552.3511.85.32332212.2
17-05-2021 11:3050.06228-5.306551.762.5105.62421812.2
17-05-2021 11:0050.06232-5.306531.782.5611.15.72432312.1
17-05-2021 10:3050.06235-5.306461.78311.15.52432012.1
17-05-2021 10:0050.06232-5.306501.972.78105.72421112.1
17-05-2021 09:3050.06237-5.306481.922.849.15.62421712
17-05-2021 09:0050.06237-5.306501.912.8611.15.52531812.1
17-05-2021 08:3050.06235-5.306551.952.8511.15.52521812.1
17-05-2021 08:0050.06238-5.306482.073.2310.55.82481412
17-05-2021 07:3050.06234-5.306501.932.95105.52421812.1
17-05-2021 07:0050.06236-5.306501.953.05105.52501612.1
17-05-2021 06:3050.06244-5.306421.953.2810.55.52552512.1
17-05-2021 06:0050.06241-5.306461.962.7111.15.72532412.1
17-05-2021 05:3050.06238-5.306462.033.0110.55.72462312.1
17-05-2021 05:0050.06245-5.306422.072.86105.92522212.1
17-05-2021 04:3050.06254-5.306382.183.5711.16.22481612.1
17-05-2021 04:0050.06255-5.306352.093.0211.16.12461912.2
17-05-2021 03:3050.06256-5.306351.873.2711.85.92451112.1
17-05-2021 03:0050.06263-5.306331.882.9311.15.72531612.2
17-05-2021 02:3050.06266-5.306381.772.998.35.62361812.1
17-05-2021 02:0050.06284-5.306501.92.7211.85.72421612.1
17-05-2021 01:3050.06292-5.306551.822.6811.15.62461612.1
17-05-2021 01:0050.06295-5.306611.852.7611.15.62431412.1
17-05-2021 00:3050.06283-5.306421.722.7711.15.42411212.1
17-05-2021 00:0050.06263-5.306331.813.0710.55.52431512.1
16-05-2021 23:3050.06261-5.306331.843.3711.15.52381412.1
16-05-2021 23:0050.06248-5.306381.872.9912.55.62431712.1
16-05-2021 22:3050.06243-5.306401.862.8311.85.62461812.1
16-05-2021 22:0050.06237-5.306482.123.438.362431612.1
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