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Surf Forecasts:

Gileston surf break

Gileston surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 12 am Wednesday 03 Sep 2025 BST
Forecast update in hr  min  s Forecast update imminent
Gileston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gileston sea temperature is
19.2° C
 (Which is 3.0°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Gileston this week:

The most powerful waves expected at Gileston in the next 12 days are 2.1m 13s and forecast to arrive on Monday (Sep 08) at 4PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Saturday (Sep 06) at 10PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4PM (Mon 8th Sep)7ft (2.1m) 13s

Table - best surf conditions forecast for Gileston over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 37mm), heaviest during Tue night. Very mild (max 17°C on Tue night, min 14°C on Wed night). Winds decreasing (strong winds from the W on Wed afternoon, light winds from the NW by Fri afternoon).

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 20°C on Sat morning, min 14°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the S by Sun morning).

Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tue
09
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
W
0.5
W
1.9
WSW
1.4
W
1
W
0.9
WSW
1.1
W
1.1
W
0.9
W
0.7
W
0.5
W
0.5
W
0.3
WSW
0.3
WSW
0.6
WSW
0.6
WSW
1.7
WSW
2.1
WSW
1.7
WSW
1.4
WSW
1.5
WSW
Period(s) (?)99681012111010999881091413121110
Wave
Graph
(?)Metric surfscale
Energy (?)791132403342233102912341518342451916928310791405807415441
Wind
(km/h)
10
SSE
30
SW
45
W
25
SW
15
W
35
W
15
W
15
W
15
WNW
10
SE
25
SE
25
SE
30
SE
25
SSE
20
WSW
20
S
25
SSW
25
SW
10
SSW
15
SSW
15
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossoncross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		ononononon
High Tide
/ height (m)
3:33AM
6.19
4:18PM
6.51
4:53AM
6.72
5:21PM
7.24
5:46AM
7.49
6:07PM
8.09
6:29AM
8.32
6:48PM
8.95
7:09AM
9.09
7:27PM
9.70
7:47AM
9.72
8:05PM
10.25
8:25AM
10.13
Low Tide
/ height (m)
9:54AM
3.49
10:43PM
3.22
11:13AM
2.94
11:46PM
2.53
12:04PM
2.21
12:30AM
1.75
12:45PM
1.47
1:08AM
1.01
1:20PM
0.81
1:42AM
0.40
1:55PM
0.29
2:17AM
-0.02
2:29PM
-0.02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Monday
08
Tue
09
Sunrise-6:28--6:30--6:31--6:33--6:33--6:35--6:37-
Sunset--7:55--7:53--7:52--7:49--7:46--7:45--7:43
heavy rain
thunderstorm
rain showers
rain showers
thunderstorm
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
cloud
rain showers
clear
rain showers
thunderstorm
rain showers
clear
clear
Rain (mm)
204166---------1-112--
Temp. °C171717151617151717162020202020151919151820
Feels °C (?)15139101211121414151515151717111414131516
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Wales - South East

  1. weather stationWind Update Offshore wind reported 4 km from Gileston (light winds from the ESE at Cardiff-Wales Airport 4 km from Gileston). 0.5m 8s swell from the W with a 0.3m 5s windswell, also from the W. 2 swells combining to make bigger set waves.

    1 hour 26 minutes ago Gileston
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1 h 26 min ago

17 km/h
ESE
Cross-Off
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Gileston surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Gileston at:
surf-forecast.com

Information about the Gileston Surf forecast

The above surf forecast table for Gileston provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Gileston can be found by selecting the local surf guide option on the grey menu. Our Gileston surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Gileston) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Gileston may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Wales - South East? If you are looking for accommodation near Gileston, camping, hotels and holiday cottages in Wales - South East, consider staying in Barry which is 8 km (5 miles) away. Other places in and around Wales - South East where you can find information about places to rent, and car hire include Nash Point which is 10 km (6 miles) away, Penarth, Cardiff and Coity.

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