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M4 wave buoy daily averages for Feb 2024 last observation shown Data available:  to  Monthly averages for

Average Wave Height

14 ft
5.6 — 25.9 ft

Average Wave period

8 secs
5 — 12 secs

Average Water temperature

11 °C
10.1 — 10.8 °C

Average Wind

WSW, 21 mph
2 — 38 mph

Chart showing grouped wave observations for M4. Use the table on this page for a text version of the same measurements.

About M4 wave buoy

M4 is an offshore data buoy in the Atlantic approaches (55.0000°N, 10.0000°W). It supports marine forecasting by providing real‑time sea‑state and weather observations in open water. It typically reports directional waves and meteorology.

M4 wave buoy daily averages Feb 2024 last observation shown
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
19 9 WSW 24 10.6
16 8 WSW 26 10.7
18 9 W 23 10.7
20 9 WSW 27 10.7
17 8 WSW 27 10.7
12 7 NNW 18 10.7
10 7 N 14 10.7
11 6 E 31 10.6
11 6 E 26 10.4
9 7 ENE 12 10.5
9 6 W 22 10.5
13 7 W 26 10.5
12 8 WSW 13 10.4
7 7 SE 15 10.5
7 7 SSW 12 10.7
8 7 SSW 11 10.7
9 7 SSW 19 10.8
11 8 WSW 16 10.8
15 8 WSW 23 10.8
18 9 SW 23 10.7
22 10 SW 26 10.7
19 9 W 24 10.7
22 10 W 22 10.7
- - - - -
- - - - -
9 7 WSW 18 10.6
16 8 W 24 10.5
16 8 SW 25 10.5
20 9 WSW 25 10.5

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