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M4 wave buoy daily averages for Nov 2024 last observation shown oldest observation available Monthly averages for

Average Wave Height

10 ft
4.3 — 27.6 ft

Average Wave period

7 secs
5 — 10 secs

Average Water temperature

13 °C
12 — 13.4 °C

Average Wind

SSW, 18 mph
5 — 54 mph
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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 Nov 2024 last observation shown Nov 2024
Day Wave height (ft) Wave Period (s) Wind Direction Wind Speed (mph) Water Temp (°C)
12 7 S 24 12.1
9 6 S 21 12.1
10 6 SSE 29 12.2
7 7 ENE 12 12.1
14 9 NNE 11 12.1
21 9 WNW 25 12.1
21 9 SW 33 12.3
15 7 S 29 12.4
13 8 W 20 12.5
13 8 N 21 12.7
10 8 NE 16 12.8
10 7 ENE 21 12.8
12 8 E 21 13.0
14 9 NNW 13 13.1
14 8 NW 19 13.1
7 6 WSW 20 13.2
9 9 WNW 10 13.3
8 9 W 11 13.3
6 6 SW 12 13.2
10 9 SSW 10 13.3
9 7 W 16 13.1
7 6 SSE 19 13.2
9 7 SSE 20 13.2
10 6 SSE 25 13.2
7 5 SSE 19 13.3
6 5 SSE 18 13.2
5 6 SSE 11 13.3
6 6 SSE 12 13.3
6 6 SSW 16 13.2
9 7 SW 16 13.1
Realtime data displayed on this page is from the Met Office Marine observations .

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