Greenwich wave buoy observations on Thu, Dec 18, 2025 last observation shown Thu, Dec 18, 2025, 23:00 oldest observation available Tue, Mar 2, 2010 Daily averages for Dec 2025

Greenwich wave buoy hourly observations Thu, Dec 18, 2025 last observation shown Thu, Dec 18, 2025
Hour	Wave height (ft)	Wave Period (s)	Wind Direction	Wind Speed (mph)	Water Temp (°C)
Thu 23:00	7	7	SSW	26	12.4
Thu 22:00	8	7	SSW	22	12.4
Thu 21:00	9	7	SW	25	12.4
Thu 20:00	10	7	SW	32	12.4
Thu 19:00	10	7	SW	39	12.4
Thu 18:00	9	7	S	45	12.4
Thu 17:00	7	7	S	41	12.4
Thu 16:00	7	7	S	37	12.4
Thu 14:00	6	7	S	38	12.4
Thu 13:00	7	7	S	37	12.3
Thu 12:00	7	7	S	37	12.3
Thu 11:00	8	7	S	36	12.3
Thu 10:00	8	7	S	36	12.3
Thu 09:00	8	7	S	37	12.3
Thu 08:00	9	7	S	35	12.3
Thu 07:00	9	7	S	33	12.3
Thu 06:00	8	7	SSW	35	12.3
Thu 05:00	8	7	SSW	35	12.3
Thu 04:00	7	7	S	36	12.3
Thu 03:00	8	7	SSW	36	12.3
Thu 02:00	7	7	S	39	12.3
Thu 01:00	8	7	S	37	12.3
Thu 00:00	7	7	S	36	12.3

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