Gileston surf break

Gileston surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 5 am Sunday 18 Jan 2026 GMT
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
6.9° C
(Which is 2.9°C colder than average for this time of year)


Best Forecast Surf Conditions for Gileston this week:

The surf forecast for Gileston over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jan 22) at 3PM. The primary swell is predicted to be 2.0m and 17s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Gileston in the next 12 days are 2.4m 18s and forecast to arrive on Saturday (Jan 24) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Sunday (Jan 25) at 12PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Thu 22nd Jan)6.5ft (2.0m) 17s
Best Surf 3PM (Thu 22nd Jan)6.5ft (2.0m) 17s
Most Powerful 3AM (Sat 24th Jan)8ft (2.4m) 18s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 24mm), heaviest during Mon night. Mild temperatures (max 9°C on Mon afternoon, min 6°C on Sun morning). Winds increasing (calm on Sun night, near gales from the SSE by Tue afternoon).

Days 3-6 Weather Summary Moderate rain (total 18mm), heaviest on Fri night. Mild temperatures (max 9°C on Thu afternoon, min 5°C on Fri morning). Mainly strong winds.

Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
3
4
1
0
0
2
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.7
W
0.6
W
0.5
W
0.5
W
0.7
W
0.7
W
0.9
W
0.6
W
1.1
WSW
1.2
WSW
1
W
0.7
WSW
1.7
WSW
2
WSW
1.6
WSW
1.8
WSW
1.8
WSW
2.4
WSW
2.1
WSW
1.7
WSW
1.5
WSW
Period(s) (?)11111010101616161412912191715131218181716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)119835253902454011774923971751502133222311689779313511269615921064
Wind
(km/h)
10
ENE
10
E
5
ENE
5
E
10
S
10
S
50
SE
60
SSE
25
SSE
20
SSE
30
SE
15
SSE
25
ESE
10
ESE
15
SSE
40
S
30
S
20
SSE
40
ESE
35
E
30
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
cross-
on
cross-
on
crosscrosscross-
on
cross-
on
crosscross-
on
cross-
off
cross-
off
crosscross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
High Tide
/ height (m)
6:43PM
8.42
7:01AM
8.85
7:19PM
8.77
7:36AM
9.20
7:54PM
9.02
8:11AM
9.42
8:30PM
9.15
8:47AM
9.49
9:07PM
9.13
9:25AM
9.39
9:45PM
8.96
10:05AM
9.12
10:28PM
8.65
Low Tide
/ height (m)
12:44PM
1.65
12:57AM
1.49
1:19PM
1.29
1:31AM
1.17
1:53PM
1.02
2:03AM
0.97
2:24PM
0.87
2:34AM
0.88
2:56PM
0.82
3:06AM
0.91
3:29PM
0.91
3:41AM
1.07
4:06PM
1.13
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunrise8:08--8:07--8:07--8:06--8:04--8:03--8:03--
Sunset-4:37--4:39--4:40--4:43--4:45--4:45--4:47-
light rain
light rain
rain showers
cloud
part cloud
rain showers
light rain
light rain
rain showers
part cloud
part cloud
rain showers
cloud
rain showers
rain showers
cloud
light rain
mod rain
light rain
cloud
cloud
Rain (mm)
315--3354--6-12-271--
Temp. °C667898998888797577776
Feels °C (?)335664-3-3211316-2-5-1-2-2-1-1
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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