Brittany wave buoy daily averages for Sep 2025 last observation shown Data available: to Monthly averages for
Average Wave Height
- ft
- — - ft
Average Wave period
- secs
- — - secs
Average Water temperature
17 °C
16.8 — 18.4 °C
Average Wind
SW, 19 mph
1 — 35 mph
Chart showing grouped wave observations for Brittany. Use the table on this page for a text version of the same measurements.
About Brittany wave buoy
Brittany (WMO 62163) is an offshore buoy in the Bay of Biscay (47.5500°N, 8.4700°W). It helps monitor Atlantic swell and storm waves affecting western France and the western approaches to the Channel. It reports directional wave measurements and marine meteorology used in forecasting and marine safety.
| Day | Wave height (ft) | Wave Period (s) | Wind Direction | Wind Speed (mph) | Water Temp (°C) |
|---|---|---|---|---|---|
| - | - | W | 23 | 18.3 | |
| - | - | WSW | 29 | 18.2 | |
| - | - | WSW | 29 | 18.2 | |
| - | - | WNW | 19 | 17.9 | |
| - | - | S | 12 | 17.8 | |
| - | - | SSE | 21 | 17.9 | |
| - | - | W | 19 | 17.9 | |
| - | - | WSW | 17 | 17.8 | |
| - | - | WSW | 22 | 17.7 | |
| - | - | W | 27 | 17.7 | |
| - | - | W | 27 | 17.8 | |
| - | - | WSW | 23 | 17.7 | |
| - | - | SW | 19 | 17.6 | |
| - | - | SW | 26 | 17.3 | |
| - | - | W | 25 | 17.2 | |
| - | - | SW | 16 | 17.1 | |
| - | - | SSW | 21 | 17.0 | |
| - | - | S | 17 | 17.1 | |
| - | - | S | 15 | 17.3 | |
| - | - | W | 23 | 17.4 | |
| - | - | N | 29 | 17.2 | |
| - | - | NE | 22 | 17.0 | |
| - | - | E | 11 | 17.0 | |
| - | - | ESE | 8 | 17.1 | |
| - | - | ESE | 10 | 17.2 | |
| - | - | SSE | 15 | 17.1 | |
| - | - | N | 15 | 17.0 | |
| - | - | N | 12 | 16.9 | |
| - | - | NE | 4 | 17.2 | |
| - | - | SSE | 5 | 17.2 |