Greenwich wave buoy observations on Mon, Dec 15, 2025 last observation shown Mon, Dec 15, 2025, 23:00 oldest observation available Tue, Mar 2, 2010 Daily averages for Dec 2025

Greenwich wave buoy hourly observations Mon, Dec 15, 2025 last observation shown Mon, Dec 15, 2025
Hour	Wave height (ft)	Wave Period (s)	Wind Direction	Wind Speed (mph)	Water Temp (°C)
Mon 23:00	4	7	S	24	12.5
Mon 22:00	4	7	S	23	12.5
Mon 21:00	5	7	SSE	20	12.5
Mon 20:00	5	7	SSE	23	12.4
Mon 19:00	5	6	SSE	24	12.4
Mon 18:00	5	7	S	28	12.4
Mon 17:00	5	6	S	26	12.4
Mon 16:00	4	7	S	31	12.4
Mon 14:00	4	7	S	30	12.4
Mon 13:00	4	6	S	26	12.4
Mon 12:00	5	6	S	26	12.4
Mon 11:00	5	7	S	30	12.4
Mon 10:00	5	7	S	26	12.4
Mon 09:00	5	7	S	28	12.4
Mon 08:00	5	7	S	30	12.4
Mon 07:00	5	6	S	31	12.4
Mon 06:00	5	6	S	31	12.4
Mon 05:00	5	6	S	31	12.4
Mon 04:00	5	6	S	33	12.4
Mon 03:00	4	6	S	31	12.4
Mon 02:00	4	6	S	28	12.5
Mon 01:00	4	6	S	29	12.5
Mon 00:00	5	6	S	29	12.5

Realtime data displayed on this page is from the Met Office Marine observations .