St Mary's Sound wave buoy daily averages for Dec 2017 last observation shown Sun, Dec 31, 2017, 23:00 oldest observation available Jul 2016 Monthly averages for 2017

Average Wave Height

4 ft

1.2 — 10.9 ft

9 secs

5.4 — 11.8 secs

WSW

12 °C

11 — 12.1 °C

St Mary's Sound wave buoy daily averages Dec 2017 last observation shown Dec 2017
Day	Wave height (ft)	Wave Period (s)	Wave Direction	Water Temp (°C)
Dec 31	10.9	10.7	SSW	11.1
Dec 30	9.0	9.5	SW	11.1
Dec 29	6.0	8.6	WSW	11.0
Dec 28	3.6	10	WSW	11.1
Dec 27	4.8	10.4	WSW	11.1
Dec 26	6.9	8.6	SSW	11.3
Dec 25	7.1	7.2	SSW	11.4
Dec 24	3.5	6.5	SW	11.4
Dec 23	2.1	9.8	WSW	11.4
Dec 22	3.0	10.6	WSW	11.4
Dec 21	3.0	11.5	WSW	11.4
Dec 20	2.9	11.8	W	11.4
Dec 19	2.6	9.9	WSW	11.4
Dec 18	3.2	7.5	WSW	11.4
Dec 17	2.7	7.2	WSW	11.3
Dec 16	2.8	9.6	NW	11.4
Dec 15	4.4	10	NW	11.4
Dec 14	5.8	8.3	W	11.4
Dec 13	5.4	7.9	WSW	11.6
Dec 12	4.5	10.6	WSW	11.6
Dec 11	4.9	11.3	WSW	11.7
Dec 10	7.4	9.5	SW	11.9
Dec 9	3.5	7.3	S	11.9
Dec 8	4.0	8.8	W	12.0
Dec 7	6.8	9.5	SW	12.1
Dec 6	6.9	6.5	SSW	12.1
Dec 5	1.7	8.2	SW	12.1
Dec 4	1.2	8.7	SSW	12.1
Dec 3	1.6	5.4	NE	12.1
Dec 2	2.0	6.2	E	12.1
Dec 1	3.0	6.9	ENE	12.1