Plateau du Four wave buoy observations on Tue, Jan 27, 2026

Hourly readings from the Plateau du Four wave buoy for Tue, Jan 27, 2026, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Tue, Jan 27, 2026, 23:30

Oldest observation available Tue, Apr 1, 2008

Daily means for Jan 2026

Period Summary

Hog Says

48 wave-buoy observations were recorded during the day. Typical wave height was 12.2 ft (10th–90th percentile 9.7–15 ft), while mean peak wave period was 10 seconds (10th–90th percentile 7.4–12.4 seconds). Typical calculated wave power was approximately 67 kW/m (10th–90th percentile 31.8–105.1 kW/m), derived from significant wave height and energy period. All 144 checked values passed quality control.

Generated only from the observations and comparisons shown on this page.

About Plateau du Four wave buoy

Plateau du Four is a CANDHIS station associated with the SEM-REV offshore test site off Loire-Atlantique. Located near a shallow offshore bank west of Le Croisic, it supplies environmental context for marine-energy research and for an exposed sector between the Loire estuary and southern Brittany.

Its current data source reports wave height, wave period, wave direction, directional spread and sea temperature.

Plateau du Four wave buoy hourly observations Tue, Jan 27, 2026Last observation shown Tue, Jan 27, 2026
Metric	Tue 00:00	Tue 00:30	Tue 01:00	Tue 01:30	Tue 02:00	Tue 02:30	Tue 03:00	Tue 03:30	Tue 04:00	Tue 04:30	Tue 05:00	Tue 05:30	Tue 06:00	Tue 06:30	Tue 07:00	Tue 07:30	Tue 08:00	Tue 08:30	Tue 09:00	Tue 09:30	Tue 10:00	Tue 10:30	Tue 11:00	Tue 11:30	Tue 12:00	Tue 12:30	Tue 13:00	Tue 13:30	Tue 14:00	Tue 14:30	Tue 15:00	Tue 15:30	Tue 16:00	Tue 16:30	Tue 17:00	Tue 17:30	Tue 18:00	Tue 18:30	Tue 19:00	Tue 19:30	Tue 20:00	Tue 20:30	Tue 21:00	Tue 21:30	Tue 22:00	Tue 22:30	Tue 23:00	Tue 23:30
Significant wave height (ft)	10	10	10	9	10	10	10	10	10	9	9	9	10	10	10	10	11	11	11	12	12	13	13	15	14	14	14	14	14	15	16	15	15	15	15	15	16	15	13	14	14	13	13	12	13	11	11	11
Maximum wave height (ft)	14	16	16	13	16	13	15	18	14	13	14	16	15	15	17	15	15	17	18	18	20	22	19	24	20	21	24	27	19	23	26	25	24	22	22	23	24	23	20	20	20	19	21	16	19	20	17	17
Peak period (s)	8	7	8	8	8	8	8	7	7	8	8	7	7	7	7	8	8	10	8	10	10	10	10	10	10	10	11	11	11	11	11	11	12	12	12	12	12	12	12	13	13	12	13	12	12	13	13	12
Average period (s)	7	8	8	8	8	7	7	8	8	7	8	7	7	7	8	8	8	8	8	8	9	9	9	9	9	9	10	9	10	10	10	10	10	10	11	11	11	11	10	10	11	10	11	10	11	11	11	10
Mean period Tm02 (s)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Peak wave direction	SSW	SSW	SSW	SSW	SSW	S	SW	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
Directional spread (°)	28.4	28.7	28.4	32.1	33.5	28.7	30.0	25.5	29.6	37.9	33.8	37.5	35.5	42.5	32.8	32.9	33.2	18.3	20.7	20.4	18.9	17.6	17.4	17.5	17.1	16.8	17.1	19.0	18.8	17.8	18.1	18.2	17.9	16.3	16.4	14.6	18.1	16.7	18.3	17.1	18.3	17.9	17.4	18.8	15.6	15.4	16.2	16.0
Water temperature(°C)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Swipe sideways to see more hours.

The observation data displayed on this page is from the Cerema CANDHIS coastal wave observatory.

Learn how SurfHog combines, checks and summarizes observations in the data and methodology notes.

› Wave Buoy List