Abersoch Surf Forecast

/ Wales – Lleyn (14 surf breaks) /

UK (471 surf breaks) / Lat Long: (52.82° N 4.51° W)

Surf Forecasts:

Abersoch surfForecast / Wales – Lleyn / UK

12 Day Weather and Surf, issued 6 pm Tuesday 02 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

Abersoch surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.

Today's Abersoch sea temperature is 18.1° C
(Which is 2.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Abersoch this week:

The surf forecast for Abersoch over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 04) at 1AM. The primary swell is predicted to be 1.6m and 10s period with a secondary swell of 0.4m and 4s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Abersoch in the next 12 days are 2.5m 11s and forecast to arrive on Monday (Sep 08) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Wednesday (Sep 03) at 1PM.

Wave Type	Time (BST) & Date	Wave Height & Period
Next good surf (1 star+)	1AM (Thu 4th Sep)	5ft (1.6m) 10s
Best Surf	1AM (Thu 4th Sep)	5ft (1.6m) 10s
Most Powerful	1AM (Mon 8th Sep)	8ft (2.5m) 11s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Moderate rain (total 11mm), heaviest on Wed morning. Very mild (max 17°C on Thu night, min 14°C on Thu night). Winds increasing (light winds from the SSW on Tue afternoon, strong winds from the WSW by Wed afternoon).											Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Sat night. Warm (max 20°C on Sat afternoon, min 15°C on Fri afternoon). Winds increasing (light winds from the S on Fri night, strong winds from the SSE by Sat night).
	Tue 02		Wednesday 03			Thursday 04			Friday 05			Saturday 06			Sunday 07			Monday 08
	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM
Rating (10 max)	0	0	0	0	2	1	1	0	1	1	0	0	0	0	0	1	1	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SSW	WSW	SW	SW	SW	SW	WSW	SW	SW	SW	SW	SE	SW	SW	SW	SW	SW	SSW	SW
Period(s) (?)	8	8	8	6	10	9	10	10	9	8	8	5	6	5	8	9	11	11	9	9	10
Wave Graph (?)
Energy (?)	45	59	177	309	468	168	240	112	143	57	20	36	45	92	212	693	2248	720	738	786	1316
Wind (km/h)	S	S	SSW	WSW	W	WSW	WSW	WNW	W	SW	SSE	SE	SSE	ESE	SSW	SW	SSE	SSE	S	SSE	S
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	cross	cross	cross- off	off	off	cross- off	cross- off	cross- off	off	cross- off	cross- on	cross- on	cross- on	cross- on	cross- off	cross- off	cross	cross- on	cross	cross	cross
High Tide / height (m)	4:47PM 2.73		5:35AM 2.74	6:10PM 2.99		6:38AM 3.02	6:59PM 3.38		7:21AM 3.38		7:39PM 3.82	8:00AM 3.75		8:16PM 4.25	8:37AM 4.10		8:53PM 4.63	9:14AM 4.39		9:31PM 4.90	9:53AM 4.57
Low Tide / height (m)		12:04AM 1.61	12:38PM 1.52		1:20AM 1.32		1:38PM 1.20	2:10AM 0.95		2:23PM 0.87	2:51AM 0.58		3:01PM 0.57	3:29AM 0.25		3:38PM 0.34		4:06AM 0.02	4:15PM 0.18		4:43AM -0.09

	Tue 02		Wednesday 03			Thursday 04			Friday 05			Saturday 06			Sunday 07			Monday 08
Sunrise	-	-	6:30	-	-	6:31	-	-	6:33	-	-	6:35	-	-	6:37	-	-	6:39	-	-	6:39
Sunset	8:05	-	-	8:02	-	-	8:00	-	-	7:58	-	-	7:55	-	-	7:52	-	-	7:51	-	-

Rain (mm)	-	-	5	2	2	-	1	1	-	-	-	-	1	7	1	-	1	-	-	2	-
Temp. °C	16	16	16	16	16	15	16	17	14	15	15	17	20	18	18	16	16	19	20	18	18
Feels °C (?)	15	14	11	9	10	13	13	14	12	12	13	12	15	10	12	10	11	13	14	11	12

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 - Lleyn

Wind Update Continuing clean conditions at Abersoch (calm at Caernarfon 33 km from Abersoch). 0.5m 8s swell from the SW with a 0.1m 2s local chop, also from the SW. 2 swells combining to make bigger set waves.
1 hour 3 minutes ago Abersoch

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33 km away, 1 h 3 min ago

0 km/h

0.0

18.1

Air / Water (°C)

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Abersoch 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.

Information about the Abersoch Surf forecast

The above surf forecast table for Abersoch provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Abersoch can be found by selecting the local surf guide option on the grey menu. Our Abersoch 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 (Abersoch) 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 Abersoch 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 Lleyn Peninsula? If you are looking for accommodation near Abersoch, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 28 km (17 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 47 km (29 miles) away, Aberystwyth, Holyhead and Bangor.