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Surf Forecasts:
Gileston surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 5 am Thursday 11 Dec 2025 GMTForecast 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
10.2° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Gileston today?
The current surf forecast for Gileston at 10AM is: 1.3m 13s primary swell from a West-southwest direction and 0.5m 3s secondary swell from a South direction (forecast issued at 05:00am December 11). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 4.5ft (1.3m) | 13s |
| Afternoon (11 Dec) | 5ft (1.6m) | 12s |
| Evening (11 Dec) | 6ft (1.8m) | 14s |
Table - waves today at Gileston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 12 | 12 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 14 | 9 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 925 | 758 | 590 | 528 | 742 | 1207 | 1214 | 1034 | 1031 | 1137 | 886 | 834 | 1916 | 1652 | 1573 | 1373 | 1295 | 1029 | 849 | 806 | 734 | 210 | 337 | 435 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 11:13AM 8.00 | 11:46PM 7.34 | 12:14PM 7.47 | 12:50AM 6.98 | 1:21PM 7.14 | |||||||||||||||||||
Low Tide / height (m) | 4:56AM 2.12 | 5:36PM 2.20 | 5:55AM 2.54 | 6:37PM 2.55 | 6:59AM 2.81 | 7:40PM 2.74 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 8:07 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - |
 |  |  |  | |  |  | |  | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | 1 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 10 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 9 | 10 | 9 | 9 | 10 |
| Feels °C (?) | 5 | 4 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 3 | 4 | 6 | 7 | 6 | 5 | 6 | 4 | 4 | 3 | 4 | 3 | 2 | 4 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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