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M5 wave buoy daily averages for Oct 2025 last observation shown Data available:  to  Monthly averages for

Average Wave Height

6 ft
1 — 17.7 ft

Average Wave period

5 secs
3 — 9 secs

Average Water temperature

15 °C
14.3 — 15.5 °C

Average Wind

W, 19 mph
0 — 43 mph
About M5 wave buoy

M5 is an offshore data buoy in the Atlantic approaches (51.4100°N, 6.4200°W). It is positioned to monitor swell and storm waves moving toward Ireland and the UK, supporting marine warnings. It typically reports waves (height/period/direction) and basic meteorology.

M5 wave buoy daily averages Oct 2025 last observation shown Oct 2025
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
8 5 W 25 14.3
7 5 W 24 14.3
6 5 WNW 24 14.5
7 5 NNW 27 14.5
10 6 WNW 28 14.6
8 5 NW 26 14.7
4 5 WSW 10 14.9
6 5 WNW 20 14.9
10 7 W 18 14.9
9 6 S 21 14.9
7 5 SE 26 14.9
3 4 ESE 15 14.8
3 4 E 14 14.8
3 4 E 13 14.9
3 4 ENE 16 14.9
3 4 E 14 14.9
2 4 E 13 14.9
1 5 NE 9 14.9
2 5 NW 6 14.9
3 5 NW 9 14.9
5 6 NNW 15 14.9
5 5 SW 17 14.8
5 5 WSW 20 14.8
8 6 WNW 23 14.9
15 8 W 35 15.0
10 6 SW 28 15.3
7 5 SSW 23 15.4
5 5 SSW 18 15.4

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