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M2 wave buoy daily averages for May 2023 last observation shown Data available:  to  Monthly averages for

Average Wave Height

2 ft
0.7 — 4.9 ft

Average Wave period

4 secs
3 — 7 secs

Average Water temperature

12 °C
9.9 — 14.6 °C

Average Wind

N, 12 mph
2 — 26 mph

Chart showing grouped wave observations for M2. Use the table on this page for a text version of the same measurements.

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 May 2023 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
2 3 W 11 11.0
2 4 ESE 11 11.1
2 4 ESE 14 11.1
4 4 E 19 10.8
4 4 S 19 10.3
2 5 SSE 9 10.4
2 5 S 15 10.3
4 4 SSW 16 10.5
2 4 SW 11 10.8
2 4 WSW 13 11.2
2 4 WNW 12 11.6
2 4 NNE 11 11.6
1 3 NE 8 11.6
1 3 S 10 11.7
3 4 WNW 13 11.9
2 3 WNW 9 11.9
1 4 S 9 12.3
2 3 SW 12 12.4
1 3 NNW 10 12.7
1 4 NNE 7 12.5
1 4 NNE 8 12.0
4 4 N 15 11.2
3 4 NW 11 11.4
2 3 NNW 10 12.2
2 3 N 11 12.4
2 4 N 12 12.4
1 3 NNE 8 12.7
4 4 N 19 12.3
3 4 NE 14 12.7
2 3 NE 13 13.0
2 3 NE 14 12.9

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