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

Average Wave Height

9 ft
1.3 — 25.3 ft

Average Wave period

6 secs
3 — 10 secs

Average Water temperature

12 °C
10.8 — 12.5 °C

Average Wind

WSW, 24 mph
2 — 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 Dec 2023 last observation shown Dec 2023
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
17 8 W 33 10.9
12 7 SSW 26 10.9
10 7 W 23 11.0
19 8 WSW 32 11.1
15 7 SW 33 11.0
7 6 SSW 18 11.2
9 6 WSW 23 11.2
12 6 WSW 29 11.3
9 6 W 27 11.4
8 6 WNW 26 11.5
9 6 W 27 11.5
8 5 W 27 11.7
6 5 NW 19 11.8
9 6 SW 22 11.8
9 6 SW 25 11.8
7 5 SW 23 11.8
5 6 WSW 17 11.9
5 5 W 17 11.9
8 6 NW 22 11.9
10 7 W 18 12.0
11 8 SW 20 12.0
14 7 WSW 30 12.0
12 7 WSW 28 12.1
16 8 WSW 28 12.1
14 8 SSW 24 12.1
9 6 SSE 28 12.2
6 5 NW 17 12.2
9 6 NNW 32 12.3
3 4 NW 14 12.4
2 4 SW 14 12.4
4 4 ENE 10 12.5

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