M3 wave buoy daily averages for Jan 2026 last observation shown Data available: to Monthly averages for
Average Wave Height
6 ft
3.6 — 8.5 ft
Average Wave period
6 secs
5 — 8 secs
Average Water temperature
12 °C
11.5 — 12 °C
Average Wind
NNW, 14 mph
2 — 24 mph
Chart showing grouped wave observations for M3. Use the table on this page for a text version of the same measurements.
Sorry, there is no wave data for Thu, Jan 1, 2026
About M3 wave buoy
M3 is an offshore data buoy in the Atlantic approaches (51.1300°N, 10.3300°W). It provides upstream observations of swell and storm conditions relevant to Ireland/UK marine forecasts. It typically measures wave height/period/direction plus basic meteorological variables.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| 4 | 6 | NNW | 11 | 11.9 | |
| 6 | 6 | N | 16 | 11.8 | |
| 8 | 7 | NNE | 12 | 11.7 | |
| 6 | 7 | NW | 11 | 11.6 | |
| 7 | 6 | N | 16 | 11.6 | |
| 6 | 6 | W | 16 | 11.7 | |
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