Gileston Surf Forecast

/ Wales – South East (14 surf breaks) /

UK (471 surf breaks) / Lat Long: (51.38° N 3.41° W)

Surf Forecasts:

Gileston surfForecast / Wales – South East / UK

48hr Weather and Surf, issued 6 am Thursday 04 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 18.8° C
(Which is 2.6°C warmer than normal for this time of year)

How big are the waves at Gileston today?

The current surf forecast for Gileston at 10AM is: 0.9m 10s primary swell from a West-southwest direction and 0.2m 14s secondary swell from a West-southwest direction (forecast issued at 06:00am September 04). The wind direction is predicted to be cross-onshore.

Time (BST) & Date	Wave Height	Wave Period
Morning (04 Sep)	3ft (0.9m)	10s
Afternoon (04 Sep)	3ft (0.9m)	12s
Evening (04 Sep)	3.5ft (1.1m)	11s

Table - waves today at Gileston. (Swell directed towards the surf break)

Updates in hr min s Forecast update imminent

12 Days Hourly

Print Table

	Thursday 04							Friday 05								Saturday 06								Sun 07
	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM	4 AM	7 AM	10 AM	1 PM	4 PM	7 PM	10 PM	1 AM
Rating (10 max)	0	0	0	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 (?)	W	W	WSW	W	WSW	WSW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	WSW	WSW	WSW
Period(s) (?)	10	10	10	10	12	12	11	11	11	10	10	10	10	10	9	9	9	9	9	9	9	9	9	8
Wave Graph (?)
Energy (?)	308	217	186	296	259	275	383	345	332	264	198	158	154	117	87	61	60	59	41	44	46	26	26	14
Wind (km/h)	SSE	WSW	W	WNW	W	W	W	WNW	WNW	WNW	WNW	W	WNW	WNW	E	SE	SE	ESE	ESE	SE	SE	ESE	ESE	SE
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- on	cross- on	cross- on	cross	glass	cross	cross	cross- off	cross- off	cross	cross	cross- off	cross- off	cross
High Tide / height (m)		4:53AM 6.72				5:21PM 7.24				5:46AM 7.49				6:07PM 8.09				6:29AM 8.32				6:48PM 8.95
Low Tide / height (m)				11:13AM 2.94				11:46PM 2.53				12:04PM 2.21				12:30AM 1.75				12:45PM 1.47

	Thursday 04							Friday 05								Saturday 06								Sun 07
Sunrise	-	6:30	-	-	-	-	-	-	-	6:31	-	-	-	-	-	-	-	6:33	-	-	-	-	-	-
Sunset	-	-	-	-	-	7:53	-	-	-	-	-	-	-	7:52	-	-	-	-	-	-	-	7:49	-	-

Rain (mm)	2	10	4	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Temp. °C	14	14	13	16	17	16	15	15	14	14	16	17	17	16	16	15	14	14	16	20	22	20	18	20
Feels °C (?)	13	12	10	11	11	12	12	12	11	11	14	14	14	15	16	14	13	12	13	15	17	16	13	16

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Recent Eyeball Surf Reports for Wales - South East

Wind Update Recent clean conditions at Rest Bay have likely become affected by the arrival of onshore winds (moderate winds from the WSW at St Athan 23 km from Rest Bay). 0.6m 13s groundswell from the WSW with a 0.6m 9s swell from the W. 2 swells combining to make bigger set waves.
1 hour 21 minutes ago Rest Bay

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1 h 21 min ago

24 km/h

WSW

Cross-On

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