Greenwich wave buoy daily averages for Jul 2026

Daily averages from the Greenwich wave buoy for Jul 2026, including available wave height, period, direction, wind and sea temperature data.

Last observation shown Mon, Jul 27, 2026, 03:00

Data available: Tue, Mar 2, 2010 to Mon, Jul 27, 2026

Monthly averages for 2026

Average Wave Height

1.7ft

0 — 7.5ft

Available for 305 of 627 observations

Average Wave period

10secs

5 — 26secs

Available for 175 of 627 observations

Average Water temperature

17.2°C

15.8 — 20.4°C

Average Wind

NNW, 15mph

1.1 — 35.8mph

Compared With Previous Julys

Historical baseline from 9,486 observations across 15 years.

Wave Height: 1.7ft; 0.2ft above average; Historical average 1.5ft
Wave Period: 10s; 3.5s above average; Historical average 6.5s
Water Temperature: 17.2°C; 1.1°C above average; Historical average 16.1°C

Show min/max ranges

About Greenwich wave buoy

Greenwich Lightship (WMO 62305) is a UK Met Office station in the southern North Sea on the Greenwich meridian. It monitors marine conditions between the Dover Strait and the Thames approaches. The station feed can include wind, wave height, pressure, visibility, and air and sea temperature.

Greenwich wave buoy daily averages Jul 2026last observation shown Jul 2026
Day	Wave height (ft)	Wave Period (s)	Wind Direction	Wind Speed (mph)	Water Temp (°C)
Jul 1	2	8	W	16	16.4
Jul 2	3	6	W	22	16.1
Jul 3	1	8	NW	11	16.3
Jul 4	2	7	WSW	18	16.1
Jul 5	1	6	W	15	16.2
Jul 6	1	10	WSW	15	16.3
Jul 7	1	14	WSW	16	16.4
Jul 8	1	18	NNW	7	17.2
Jul 9	1	16	ENE	9	18.4
Jul 10	1	-	NE	19	17.4
Jul 11	2	-	NE	23	17.0
Jul 12	3	-	NE	27	16.8
Jul 13	5	-	NE	30	16.7
Jul 14	-	-	NE	18	17.0
Jul 15	-	-	NE	21	17.0
Jul 16	-	-	NE	19	17.1
Jul 17	-	-	NW	9	17.3
Jul 18	-	-	ENE	11	17.3
Jul 19	-	-	NE	10	17.4
Jul 20	-	-	NE	11	17.4
Jul 21	-	-	NNW	7	17.9
Jul 22	-	-	W	4	18.2
Jul 23	-	-	SSE	5	18.6
Jul 24	-	-	W	8	18.7
Jul 25	-	-	W	15	18.6
Jul 26	-	-	WSW	26	17.9
Jul 27	-	-	NW	16	17.6
Jul 28	-	-	-	-	-
Jul 29	-	-	-	-	-
Jul 30	-	-	-	-	-
Jul 31	-	-	-	-	-

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