Greenwich wave buoy daily averages for May 2025 last observation shown Sun, Jun 1, 2025, 00:00 oldest observation available Mar 2010 Monthly averages for 2025

Average Wave Height

2 ft

0.7 — 8.5 ft

8 secs

5 — 26 secs

12 °C

10.7 — 13.7 °C

NE, 17 mph

1 — 37 mph

Greenwich wave buoy daily averages May 2025 last observation shown May 2025
Day	Wave height (ft)	Wave Period (s)	Wind Direction	Wind Speed (mph)	Water Temp (°C)
May 31	1.3	8.4	WSW	12	13.1
May 30	1.3	7.8	SW	10	13.0
May 29	2.0	6	SW	21	12.7
May 28	4.0	6.3	WSW	25	12.7
May 27	5.9	6.5	SW	31	12.5
May 26	3.1	6.1	WSW	23	12.4
May 25	3.6	5.9	WSW	27	12.3
May 24	2.3	5.7	WSW	24	12.2
May 23	1.0	8	S	10	12.4
May 22	1.1	8.8	ENE	8	12.5
May 21	1.1	8.5	NNW	9	12.4
May 20	1.2	7.5	NE	10	12.6
May 19	1.3	6.2	NE	20	12.1
May 18	1.0	9.8	ENE	11	12.2
May 17	1.1	6.9	NNE	13	12.0
May 16	1.4	6.4	NNE	11	12.1
May 15	1.4	5.8	NNE	16	11.6
May 14	1.1	7.1	NE	17	11.9
May 13	0.7	18.2	ENE	8	12.1
May 12	0.7	15.2	ESE	11	11.7
May 11	0.8	9.9	ENE	13	11.7
May 10	0.9	7.8	ENE	18	11.5
May 9	1.6	6.1	NE	20	11.3
May 8	2.1	5.8	NE	21	11.2
May 7	1.6	5.8	NE	20	11.1
May 6	2.4	5.9	NE	22	11.0
May 5	2.5	5.5	NNE	26	11.0
May 4	1.7	5.6	NE	20	11.2
May 3	0.8	8.8	NE	14	11.4
May 2	0.7	12.8	W	11	11.3
May 1	0.7	18	ENE	11	11.4