Skip to content

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

Average Wave Height

9 ft
2 — 31.2 ft

Average Wave period

7 secs
4 — 11 secs

Average Water temperature

11 °C
0 — 11.3 °C

Average Wind

WSW, 16 mph
2 — 36 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 Jan 2025 last observation shown Jan 2025
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
7 6 NNW 11 10.1
7 7 WNW 16 9.8
7 6 N 17 9.9
14 8 NW 21 10.4
25 10 SSW 24 10.4
14 8 S 21 10.5
12 8 WSW 17 10.1
21 9 W 25 10.7
8 6 WSW 21 10.7
2 5 NW 9 10.3
4 5 WSW 12 10.8
7 7 S 13 10.8
8 7 SSE 15 10.8
7 6 S 16 10.8
7 6 S 16 10.8
8 8 S 15 10.8
6 7 SSW 11 10.8
8 7 SW 14 10.8
10 7 SSW 20 10.8
6 7 S 14 10.8
9 7 NW 10 10.7
8 6 ESE 19 10.7
7 8 N 12 10.7
4 5 ENE 15 10.9
6 5 NW 16 11.0
8 6 NW 22 11.1
10 6 NNE 22 11.0
6 7 ESE 15 11.0
3 5 N 8 11.0
6 6 N 15 11.1
12 7 WNW 19 11.2

› Wave Buoy List