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Seaford wave buoy daily averages for Apr 2026

Daily averages from the Seaford wave buoy for Apr 2026, 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

In April 2026, Seaford recorded 1,429 wave and water-temperature observations across 31 observed days, covering 103% of the 30-day calendar period. Average wave height was 2 ft, ranging from 0.4 to 8.5 ft, while the average wave period was 3.8 seconds and water temperature averaged 11.5°C, from 9.7 to 13.5°C. No wind observations were supplied; the 12-year same-month averages were 1.8 ft, 5.5 seconds and 10.4°C respectively.

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

Average Wave Height

2ft
Observed range: 0.4 — 8.5ft

Average Wave period

3.8secs
Observed range: 2 — 7secs

Average Wave Direction

SSW

Average Water temperature

11.5°C
Observed range: 9.7 — 13.5°C

Compared With Previous Aprils

Historical baseline from 10,115 observations across 12 years.

Wave Height
2ft
0.2ft above average
Historical average 1.8ft
Wave Period
3.8s
1.7s below average
Historical average 5.5s
Water Temperature
11.5°C
1.1°C above average
Historical average 10.4°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 Apr 2026last observation shown
DayWave height (ft)Wave Period (s)Wave DirectionWater Temp (°C)
14SW10.0
13SW10.1
-4SW10.1
34SW10.3
-5SW10.4
24SSW10.5
14S10.6
15SW10.9
25SW11.2
24SW10.8
-4SSW10.9
-5SW11.3
24SW11.5
23SW11.6
23SSW11.7
34SW12.0
15SW12.1
24SW12.1
14SW12.1
13SSE12.0
14SE12.0
13SE12.0
13SE12.2
13SSE12.3
14SW12.5
14SW12.5
14SW12.8
13E12.6
23ESE12.5
23SE12.7
The observation data displayed on this page is from the Regional Coastal Monitoring Programme.

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