Skip to content

M3 wave buoy daily averages for Dec 2023 last observation shown Data available:  to  Monthly averages for

Average Wave Height

15 ft
3.9 — 34.4 ft

Average Wave period

8 secs
4 — 12 secs

Average Water temperature

12 °C
11.3 — 11.8 °C

Average Wind

WSW, 24 mph
2 — 45 mph
About M3 wave buoy

M3 is an offshore data buoy in the Atlantic approaches (51.1300°N, 10.3300°W). It provides upstream observations of swell and storm conditions relevant to Ireland/UK marine forecasts. It typically measures wave height/period/direction plus basic meteorological variables.

M3 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)
25 9 WNW 37 11.5
21 8 SW 36 11.5
14 8 WSW 19 11.5
23 9 WSW 33 11.5
16 7 SW 31 11.6
12 7 SSE 19 11.6
14 8 WSW 22 11.6
15 8 WSW 25 11.6
14 7 WSW 28 11.6
20 9 WNW 26 11.6
23 9 WNW 33 11.6
18 8 WNW 28 11.5
10 7 NW 21 11.5
12 8 SW 14 11.5
14 7 SSW 25 11.4
14 8 SSW 24 11.4
17 10 SW 16 11.4
13 8 W 15 11.5
10 6 NW 22 11.4
14 8 WNW 23 11.5
16 9 SSW 17 11.6
23 9 WSW 31 11.5
15 7 WSW 27 11.5
22 9 SW 29 11.6
19 9 SSW 27 11.8
16 8 SSE 27 11.7
6 5 SSE 15 11.4
8 6 NNW 24 11.4
5 5 NNE 16 11.5
4 6 WSW 11 11.5
6 6 ENE 10 11.5

› Wave Buoy List