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

Average Wave Height

3 ft
0.7 — 6.6 ft

Average Wave period

4 secs
3 — 6 secs

Average Water temperature

15 °C
13.7 — 16.8 °C

Average Wind

WSW, 15 mph
0 — 33 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 Aug 2023 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
4 4 SW 18 15.0
5 5 NNE 19 14.9
4 4 NW 17 14.6
4 4 W 14 14.3
4 4 NNE 20 14.3
2 4 WNW 12 14.4
2 3 WSW 13 14.6
2 4 WNW 6 14.8
2 3 S 12 15.1
2 3 SSE 15 15.3
5 4 S 21 15.3
5 5 SSW 18 15.0
4 4 SSW 16 15.4
2 4 NW 10 15.7
2 3 WSW 12 15.7
1 4 NE 9 16.1
2 3 E 13 15.8
5 5 E 20 14.9
7 6 S 20 15.1
5 5 S 20 15.1
5 5 S 22 15.1
3 4 SW 13 15.4
2 4 SSW 10 15.6
2 3 W 14 15.7
2 3 W 16 15.6
3 4 NNW 17 15.4
4 4 WNW 18 15.4
3 4 W 13 15.4
2 3 WNW 16 15.5
3 4 W 14 15.3
3 4 SE 14 15.3

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