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M3 wave buoy daily averages for Jan 2024 last observation shown Data available:  to  Monthly averages for

Average Wave Height

12 ft
4.3 — 26.2 ft

Average Wave period

7 secs
5 — 11 secs

Average Water temperature

11 °C
10.8 — 11.5 °C

Average Wind

SW, 20 mph
2 — 36 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 Jan 2024 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
13 7 SW 24 11.5
14 8 WSW 23 11.5
19 9 W 27 11.4
13 8 WNW 17 11.3
11 7 NNW 22 11.3
7 7 NNW 9 11.2
6 7 ESE 13 11.4
10 6 E 25 11.2
12 7 ENE 26 11.2
10 6 ENE 23 11.3
8 6 ENE 20 11.1
7 6 ENE 17 11.1
6 5 ENE 20 11.1
5 5 NE 17 11.1
6 5 ENE 18 11.1
6 7 ENE 14 11.1
7 6 NNE 17 11.0
8 7 NNE 11 10.8
9 7 SSW 21 10.9
17 8 SW 25 11.0
20 8 SW 30 11.0
25 10 WSW 24 11.1
21 9 SW 29 11.2
21 10 SSW 15 11.2
14 8 SW 24 11.2
17 9 WSW 23 11.3
17 9 S 22 11.4
16 8 SW 22 11.4
14 9 N 18 11.3
12 9 SW 13 11.3
13 8 WSW 21 11.3

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