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

Average Wave Height

3 ft
0.3 — 4.9 ft

Average Wave period

4 secs
3 — 5 secs

Average Water temperature

14 °C
12.2 — 16 °C

Average Wind

SSW, 14 mph
2 — 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 Jun 2025 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
4 4 WSW 18 12.9
3 4 WSW 19 12.9
4 4 WSW 17 12.8
4 4 SW 17 12.8
3 4 SW 12 13.0
3 4 WSW 15 13.0
2 4 WNW 15 12.9
3 4 WSW 14 12.8
3 3 SW 17 12.9
3 4 WSW 13 12.9
1 3 SSE 11 13.2
2 4 SE 12 13.1
3 4 SSE 16 13.1
2 4 WNW 12 13.0
2 4 SW 12 13.3
3 4 SSW 14 13.5
3 4 SSW 16 13.8
2 4 SE 7 14.4
1 3 ESE 8 15.0
1 4 ESE 8 15.3
2 3 S 14 15.3
3 4 SW 18 14.5
4 4 WSW 16 14.1
3 4 SW 13 14.2
3 4 SSW 16 13.4
3 4 SW 17 13.7
4 4 S 22 13.7
4 5 SSW 16 13.9
2 4 S 12 13.8
2 3 S 15 14.0

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