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M5 wave buoy daily averages for May 2023 last observation shown Data available:  to  Monthly averages for

Average Wave Height

4 ft
1.3 — 8.5 ft

Average Wave period

5 secs
3 — 8 secs

Average Water temperature

13 °C
11.2 — 15.8 °C

Average Wind

N, 14 mph
2 — 31 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 May 2023 last observation shown May 2023
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
3 4 NE 16 13.9
4 4 NE 18 13.2
4 4 NE 19 13.2
5 4 NNE 22 14.2
2 4 NE 9 14.8
4 4 NE 18 14.3
3 4 NNE 15 14.4
2 4 NNE 12 14.2
3 4 NNE 10 14.0
3 4 NNE 14 13.9
2 6 NNE 9 14.0
3 6 NNE 10 13.5
3 5 N 11 13.0
2 4 WSW 14 12.7
2 4 W 9 12.7
3 4 NW 11 12.4
4 5 NW 16 12.3
3 5 W 14 12.8
3 5 N 10 12.8
4 4 NNE 18 12.5
5 6 WNW 16 12.4
8 6 W 19 12.4
6 6 W 15 12.4
6 5 SSW 16 12.1
4 5 SSW 14 12.2
5 6 S 8 12.1
5 5 S 13 11.7
7 5 ESE 23 11.5
6 5 ESE 19 11.8
3 6 SE 8 12.0
4 5 W 12 11.5

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