Skip to content

M4 wave buoy observations on Fri, Dec 5, 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 Fri, Dec 5, 2025 last observation shown Fri, Dec 5, 2025
Hour Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
10 7 SSW 14 11.5
9 7 S 12 11.5
10 7 S 14 11.5
11 7 S 16 11.5
11 7 SSE 16 11.5
13 7 SSE 18 11.5
13 7 SSE 22 11.5
15 7 SSE 26 11.5
13 7 SE 36 11.5
15 7 SE 38 11.5
15 8 SE 38 11.5
15 7 SE 43 11.5
15 7 ESE 40 11.5
15 8 ESE 43 11.5
16 8 ESE 38 11.5
16 8 SE 33 11.5
17 9 SE 33 11.5
18 9 SE 29 11.5
18 10 S 29 11.5
18 9 SSW 22 11.5
20 10 SSW 24 11.5
20 10 SW 20 11.5
19 10 WSW 20 11.5
18 10 SW 24 11.5
Realtime data displayed on this page is from the Met Office Marine observations .

› Wave Buoy List