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M4 wave buoy observations on Mon, Dec 8, 2025 last observation shown oldest observation available Daily averages for

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 hourly observations Mon, Dec 8, 2025 last observation shown Mon, Dec 8, 2025
Hour Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
16 10 SE 18 11.5
17 10 SE 20 11.5
15 10 S 18 11.5
17 10 S 18 11.5
16 10 S 16 11.5
15 9 S 20 11.5
16 10 SSW 18 11.5
17 10 SSW 22 11.5
16 9 SSW 24 11.5
17 10 SSW 26 11.5
16 9 SSW 22 11.4
16 9 SSW 24 11.5
15 9 SSW 29 11.5
16 9 SSW 29 11.5
15 9 SSW 26 11.5
15 9 SW 29 11.4
15 8 SSW 26 11.4
13 8 SW 31 11.4
12 7 SSW 31 11.4
11 7 SSW 24 11.4
10 7 SSW 16 11.4
10 7 SSE 33 11.4
9 7 SE 24 11.5
9 7 SSE 22 11.5
Realtime data displayed on this page is from the Met Office Marine observations .

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