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Seaford wave buoy daily averages for Dec 2025

Daily averages from the Seaford wave buoy for Dec 2025, including available wave height, period, direction, wind and sea temperature data.

Last observation shown

Data available:  to 

Monthly averages for

Latest

Period Summary

AI-generated summary. Hog Says

Seaford recorded 1,482 wave buoy observations across all 31 days of December 2025. Average wave height was 3.6 ft and period 4.2 seconds, while water temperature averaged 10.5°C; wind fields were unavailable.

Generated only from the observations and comparisons shown on this page.

Average Wave Height

3.6ft
Observed range: 0.4 — 13.5ft

Available for 1,480 of 1,482 observations

Average Wave period

4.2secs
Observed range: 2 — 10secs

Average Wave Direction

S

Average Water temperature

10.5°C
Observed range: 7.9 — 11.7°C

Compared With Previous Decembers

Historical baseline from 9,992 observations across 12 years.

Wave Height
3.6ft
0.4ft below average
Historical average 4ft
Wave Period
4.2s
1.4s below average
Historical average 5.6s
Water Temperature
10.5°C
0.7°C above average
Historical average 9.8°C

Chart showing grouped wave observations for Seaford. Use the table on this page for a text version of the same measurements. To open hourly observations, use a linked day name in the table.

About Seaford wave buoy

Seaford is a Datawell Directional WaveRider station off the East Sussex coast. First deployed in October 2008, it measures waves reaching Seaford Bay between Newhaven and Beachy Head. Available observations include wave height, period and direction, sea temperature and calculated wave power.

Seaford wave buoy daily averages Dec 2025last observation shown
DayWave height (ft)Wave Period (s)Wave DirectionWater Temp (°C)
-6SSW10.1
55SSW10.0
44SSW10.2
55SSW10.3
55SSW10.4
75SW10.5
65SW10.8
44SW11.1
65SSW11.3
44SW11.4
44SSW11.5
44SSW11.5
25SSW11.4
44SW11.5
65SSW11.3
34SSW11.3
44SSW11.3
-5SSW11.2
44SW10.9
34SSW10.9
34S11.0
24SSE11.0
14SSE11.0
23SE10.7
23SE10.0
14SE9.4
13SE9.2
14SE8.9
14SSE8.6
14SSE8.4
14S8.2
The observation data displayed on this page is from the Regional Coastal Monitoring Programme.

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