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

Average Wave Height

7 ft
2 — 12.1 ft

Average Wave period

6 secs
4 — 8 secs

Average Water temperature

16 °C
14.5 — 16.9 °C

Average Wind

WSW, 16 mph
2 — 40 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 Aug 2023 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
7 6 WSW 18 16.5
11 6 WSW 29 16.4
10 6 NNW 23 16.1
6 6 WSW 17 15.9
9 6 WNW 22 15.5
6 5 WNW 13 15.4
5 5 SSW 14 15.7
5 6 WSW 11 15.7
4 5 SSE 15 15.7
6 5 SSE 19 15.6
8 6 SSW 20 15.6
12 7 WSW 19 15.9
8 6 W 11 15.9
5 5 NW 14 16.0
4 6 WNW 9 16.0
3 6 SSE 6 16.1
6 5 SE 21 16.2
7 5 ESE 20 16.1
10 6 SW 21 16.2
9 6 S 20 16.3
8 6 SSW 19 16.4
6 6 SW 10 16.5
4 6 W 9 16.6
4 5 NW 13 16.7
6 5 NW 19 16.6
7 5 NNW 22 16.3
6 5 NW 19 16.2
5 6 W 13 16.3
7 5 NW 19 16.2
6 6 SSE 11 16.2
6 5 WSW 14 16.2

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