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

Average Wave Height

5 ft
1.6 — 9.2 ft

Average Wave period

6 secs
4 — 9 secs

Average Water temperature

15 °C
12.7 — 17.5 °C

Average Wind

WNW, 15 mph
2 — 33 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 Jul 2024 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
5 5 NW 16 13.1
7 7 W 12 13.2
8 6 WNW 21 13.2
9 7 N 16 13.5
8 7 WNW 14 13.5
8 6 WNW 21 13.7
6 6 W 9 14.1
4 5 ENE 16 14.1
5 5 N 17 14.0
3 5 NNW 15 14.3
4 5 NNW 20 14.4
3 4 NNW 16 14.2
2 5 NW 9 14.7
3 6 SE 10 14.9
6 6 ENE 15 14.7
3 5 W 12 15.0
4 4 S 17 15.3
6 5 WNW 14 15.5
6 5 SSW 18 15.5
7 6 NW 22 15.2
6 5 WSW 20 14.9
7 6 W 17 14.8
5 5 W 12 14.9
5 5 SW 16 15.0
5 5 W 16 15.4
7 6 WSW 16 15.6
8 7 WNW 17 15.7
5 6 S 10 16.2
4 5 SW 14 16.3
5 7 N 10 16.6
5 8 SW 7 17.0

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