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M4 wave buoy daily averages for Feb 2025 last observation shown Data available:  to  Monthly averages for

Average Wave Height

16 ft
8.5 — 28.5 ft

Average Wave period

8 secs
6 — 12 secs

Average Water temperature

11 °C
10.1 — 11.1 °C

Average Wind

SW, 24 mph
7 — 43 mph
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 2025 last observation shown Feb 2025
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
12 7 SSW 26 11.0
12 8 W 15 11.0
14 7 WNW 27 11.0
17 9 WSW 22 11.0
23 10 WSW 26 11.0
12 7 SE 29 10.5
10 6 SE 27 10.4
18 9 SSE 22 10.8
17 9 S 24 10.8
17 9 WSW 22 10.9
19 10 W 21 10.9
24 10 SSW 29 10.9
18 10 SW 22 10.9
15 7 SSW 24 10.9

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