Porthleven wave buoy monthly averages for 2025 last observation shown oldest observation available

Average Wave Height

4 ft
0.6 — 42 ft

Average Wave period

6 secs
2 — 14 secs

Average Wave Direction

SW

Average Water temperature

13 °C
10 — 19.5 °C
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Porthleven wave buoy monthly averages 2025 last observation shown Dec 2025
Month Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
9 7 SW 12.1
5 6 SW 13.3
4 5 SW 14.6
4 6 SW 15.8
3 5 SW 17.5
3 5 SW 16.1
3 5 SW 15.2
2 5 SW 14.1
3 5 SW 11.5
3 6 SW 10.3
5 6 SW 9.9
7 7 SW 10.6
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme .

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