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M2 wave buoy daily averages for Sep 2024 last observation shown Data available:  to  Monthly averages for

Average Wave Height

4 ft
0.3 — 7.5 ft

Average Wave period

4 secs
3 — 6 secs

Average Water temperature

14 °C
13.9 — 15.1 °C

Average Wind

NNW, 16 mph
2 — 29 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 Sep 2024 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
3 4 E 9 14.8
2 4 NNW 9 14.6
2 4 W 12 14.6
3 4 NW 17 14.6
5 5 NNE 20 14.5
4 5 NNE 16 14.6
2 4 NNE 10 14.3
3 4 NW 16 14.2
5 4 WNW 19 14.2
5 4 W 23 14.2
6 5 WNW 23 14.5
4 4 NW 18 14.4
3 4 SW 14 14.4
6 5 SSW 22 14.3
4 5 WSW 13 14.3
1 4 SE 6 14.5
1 5 ESE 5 14.5
2 4 ENE 10 14.5
2 4 ENE 14 14.6
3 4 NE 16 14.6
4 4 NE 19 14.6
4 4 NE 18 14.6
4 4 N 18 14.5
3 4 WNW 16 14.5
3 4 NE 11 14.4
5 5 ESE 16 14.4
6 5 NW 24 14.6
3 4 WSW 16 14.6
5 4 SSE 23 14.7
6 5 NNW 21 14.7

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