Greenwich wave buoy daily averages for Dec 2021 last observation shown Fri, Dec 31, 2021, 22:00 oldest observation available Mar 2010 Monthly averages for 2021

Average Wave Height

4 ft

0.7 — 15.4 ft

7 secs

5 — 16 secs

12 °C

10.6 — 12.7 °C

SW, 23 mph

2 — 46 mph

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Greenwich wave buoy daily averages Dec 2021 last observation shown Dec 2021
Day	Wave height (ft)	Wave Period (s)	Wind Direction	Wind Speed (mph)	Water Temp (°C)
Dec 31	4	7	SSW	25	11.5
Dec 30	5	7	SSW	27	11.5
Dec 29	6	8	SW	26	11.4
Dec 28	9	8	WSW	34	11.3
Dec 27	3	7	S	23	11.2
Dec 26	2	7	SSW	12	11.2
Dec 25	3	8	SSE	13	11.3
Dec 24	3	8	SSW	16	11.2
Dec 23	3	6	SSW	23	11.0
Dec 22	2	5	SSE	19	10.7
Dec 21	1	6	E	15	11.0
Dec 20	2	6	ENE	21	11.1
Dec 19	1	6	ENE	19	11.3
Dec 18	3	5	ENE	24	11.4
Dec 17	2	8	ENE	22	11.7
Dec 16	1	9	NW	8	11.8
Dec 15	2	7	SW	17	11.8
Dec 14	2	7	SW	16	11.8
Dec 13	3	7	SSW	19	11.9
Dec 12	3	6	SW	22	11.9
Dec 11	3	7	W	19	11.5
Dec 10	7	7	NW	35	11.5
Dec 9	5	7	WSW	28	11.6
Dec 8	8	7	WSW	32	11.6
Dec 7	5	6	SW	30	11.8
Dec 6	4	6	W	25	11.8
Dec 5	6	7	NW	32	11.9
Dec 4	5	7	W	26	12.2
Dec 3	3	6	WSW	19	12.0
Dec 2	3	6	NNW	24	11.9
Dec 1	7	7	WNW	32	12.6