Greenwich wave buoy daily averages for Apr 2021 last observation shown Fri, Apr 30, 2021, 23:00 oldest observation available Mar 2010 Monthly averages for 2021

Average Wave Height

2 ft

0.3 — 7.2 ft

6 secs

2 — 26 secs

9 °C

8.2 — 9.9 °C

NNE, 18 mph

2 — 38 mph

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Greenwich wave buoy daily averages Apr 2021 last observation shown Apr 2021
Day	Wave height (ft)	Wave Period (s)	Wind Direction	Wind Speed (mph)	Water Temp (°C)
Apr 30	1	5	NNE	10	9.5
Apr 29	2	5	NW	18	9.4
Apr 28	1	6	NE	16	9.3
Apr 27	1	5	N	9	9.4
Apr 26	3	6	NE	27	8.9
Apr 25	5	6	ENE	32	9.0
Apr 24	2	5	ENE	27	9.1
Apr 23	2	5	ENE	24	9.1
Apr 22	3	6	ENE	28	9.0
Apr 21	2	6	NE	22	9.2
Apr 20	1	8	NE	10	9.4
Apr 19	1	8	E	7	9.7
Apr 18	1	7	NNW	9	9.3
Apr 17	1	5	NE	16	8.9
Apr 16	1	5	NE	19	8.9
Apr 15	1	5	NE	19	8.8
Apr 14	1	7	NE	14	8.9
Apr 13	1	5	SW	8	8.9
Apr 12	1	5	WNW	10	8.7
Apr 11	2	5	NNW	19	8.7
Apr 10	1	8	NE	18	8.8
Apr 9	0	8	W	9	9.0
Apr 8	1	5	WSW	11	8.8
Apr 7	2	5	NW	18	8.5
Apr 6	2	5	NNW	21	8.6
Apr 5	2	5	NNW	24	8.9
Apr 4	1	5	NW	14	9.1
Apr 3	3	6	NE	25	9.0
Apr 2	3	6	NE	28	9.1
Apr 1	3	6	NE	30	9.3