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M3 wave buoy daily averages for Oct 2023 last observation shown Data available:  to  Monthly averages for

Average Wave Height

10 ft
3.9 — 25.3 ft

Average Wave period

7 secs
5 — 11 secs

Average Water temperature

14 °C
13.6 — 15.6 °C

Average Wind

S, 17 mph
2 — 43 mph

Chart showing grouped wave observations for M3. Use the table on this page for a text version of the same measurements.

About M3 wave buoy

M3 is an offshore data buoy in the Atlantic approaches (51.1300°N, 10.3300°W). It provides upstream observations of swell and storm conditions relevant to Ireland/UK marine forecasts. It typically measures wave height/period/direction plus basic meteorological variables.

M3 wave buoy daily averages Oct 2023 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
8 6 SW 12 14.9
11 8 SW 12 14.9
10 6 W 20 14.8
9 6 SSW 19 14.8
10 6 SSW 25 14.8
10 7 S 18 14.9
9 6 SSE 16 14.9
8 7 SE 10 15.0
6 7 SSE 10 15.0
5 5 SSW 14 15.1
7 6 SSE 10 15.2
10 8 E 16 15.2
10 6 NNW 25 14.9
12 7 NNW 20 14.5
7 7 E 16 14.4
10 6 E 26 14.5
14 7 E 32 14.5
11 7 SE 18 14.5
9 7 E 14 14.6
22 9 NW 36 14.4
15 8 NW 21 14.1
9 7 SSE 15 14.0
7 6 SSE 10 14.0
6 6 W 7 13.9
9 7 S 20 13.8
14 8 SW 19 13.9
17 9 SW 19 13.8
13 8 SSW 19 13.7
10 7 WSW 10 13.7
10 8 W 11 13.7
8 6 S 18 13.7

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