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M2 wave buoy daily averages for Apr 2025 last observation shown Data available:  to  Monthly averages for

Average Wave Height

3 ft
0.3 — 8.2 ft

Average Wave period

4 secs
3 — 6 secs

Average Water temperature

10 °C
8.9 — 12 °C

Average Wind

ESE, 14 mph
2 — 31 mph
About M2 wave buoy

M2 is an offshore data buoy in the NE Atlantic west/south‑west of Ireland (53.2900°N, 5.2600°W). It is placed to observe approaching Atlantic sea states and weather systems, improving warnings and forecasts for Ireland and the UK. It typically reports directional wave parameters and standard meteorology.

M2 wave buoy daily averages Apr 2025 last observation shown Apr 2025
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
1 5 E 5 10.6
1 5 E 5 10.4
2 4 S 15 10.2
4 4 S 23 10.1
3 4 S 19 10.2
3 4 SSE 16 10.1
2 4 ESE 9 10.1
4 5 ENE 13 9.9
4 4 S 18 9.9
2 3 SSW 11 9.8
3 4 ESE 10 9.7
5 4 E 18 9.5
4 4 E 17 9.5
2 4 S 12 9.6
5 4 NNW 22 9.5
3 4 NNW 17 9.6
4 4 S 19 9.7
3 4 WSW 17 9.8
1 4 S 12 9.9
1 4 S 7 9.8
1 4 SE 7 9.7
2 5 NNE 10 9.4
1 4 NNE 4 9.5
2 4 E 7 9.4
5 5 ENE 14 9.3
6 5 ENE 23 9.2
4 4 ENE 19 9.1
5 4 ENE 22 9.1
4 4 E 17 9.1
2 4 E 9 9.1

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