Rhosneigr Surf Forecast

/ Wales – Anglesy (10 surf breaks) /

UK (471 surf breaks) / Lat Long: (53.24° N 4.53° W)

Surf Forecasts:

Rhosneigr surfForecast / Wales – Anglesy / UK

12 Day Weather and Surf, issued 6 pm Wednesday 17 Sep 2025 BST

Forecast update in hr min s Forecast update imminent

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

Today's Rhosneigr sea temperature is 16.4° C
(Which is 1.2°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Rhosneigr this week:

The surf forecast for Rhosneigr over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 19) at 10PM. The primary swell is predicted to be 0.8m and 7s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Rhosneigr in the next 12 days are 2.5m 7s and forecast to arrive on Friday (Sep 19) at 1AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Sunday (Sep 21) at 7AM.

Wave Type	Time (BST) & Date	Wave Height & Period
Next good surf (1 star+)	10PM (Fri 19th Sep)	2.5ft (0.8m) 7s
Best Surf	10PM (Fri 19th Sep)	2.5ft (0.8m) 7s
Most Powerful	1AM (Fri 19th Sep)	8ft (2.5m) 7s

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

Updates in hr min s Forecast update imminent

12 Days Hourly

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	Short Range Forecast Heavy rain (total 39mm), heaviest during Sat morning. Very mild (max 17°C on Thu night, min 11°C on Sat morning). Winds decreasing (strong winds from the SSW on Thu night, light winds from the NE by Fri night).											Days 3-6 Weather Summary Heavy rain (total 64mm), heaviest during Sun afternoon. Very mild (max 14°C on Sat night, min 10°C on Sun afternoon). Winds increasing (light winds from the NE on Sat afternoon, near gales from the NE by Sun afternoon).
	Wed 17		Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
	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	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0
Swell Height Map See all maps
Wave Height (m) & direction (?)	SW	SW	SSW	SSW	SSW	SW	SW	SW	SW	SW	SW	SSW	SSW	SW	SW	SW	S	S	S	S	S
Period(s) (?)	8	7	6	7	7	7	9	9	9	8	14	12	10	13	13	13	13	12	12	12	12
Wave Graph (?)
kJ (?)	846	355	128	620	664	220	168	62	37	11	8	15	10	7	7	7	3	3	3	3	3
Wind (km/h)	SSW	SW	SSW	SSW	SSW	SW	W	NNE	NNE	NNE	ESE	NE	NE	NE	NE	NE	N	N	NNE	NNE	ENE
Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy	on	on	on	cross- on	cross- on	on	cross- on	off	off	cross- off	cross- off	off	off	off	off	off	cross- off	cross- off	off	off	cross- off
High Tide / height (m)		7:18PM 3.33	8:09AM 3.25		8:14PM 3.62	8:51AM 3.46		8:54PM 3.88	9:23AM 3.65		9:29PM 4.09	9:53AM 3.81		10:01PM 4.22	10:22AM 3.92		10:32PM 4.26	10:51AM 3.97		11:04PM 4.22	11:21AM 3.95
Low Tide / height (m)		2:02AM 0.70		2:22PM 0.85	2:54AM 0.40		3:09PM 0.58	3:37AM 0.16		3:49PM 0.37		4:15AM 0.02	4:25PM 0.23		4:49AM -0.03	4:59PM 0.18		5:21AM 0.02	5:31PM 0.20		5:52AM 0.15

	Wed 17		Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23
Sunrise	-	-	6:54	-	-	6:56	-	-	6:58	-	-	7:01	-	-	7:01	-	-	7:03	-	-	7:05
Sunset	7:30	-	-	7:27	-	-	7:24	-	-	7:22	-	-	7:20	-	-	7:17	-	-	7:15	-	-

Rain (mm)	-	-	5	-	-	1	2	12	19	6	12	7	24	10	1	-	1	3	-	-	-
Temp. °C	16	15	16	16	17	16	14	12	11	13	14	12	11	11	11	12	12	13	13	13	13
Feels °C (?)	10	10	11	11	11	13	12	11	6	12	12	2	1	4	3	6	7	10	8	10	10

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 - Anglesy

Wind Update Wind reports 2 km away suggest it is still onshore at Rhosneigr (strong winds from the SW at Valley RAF Airport). A 2.0m swell from the SW
2 hours 10 minutes ago Rhosneigr

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2 h 10 min ago

43 km/h

Onshore

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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 Rhosneigr 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 Rhosneigr Surf forecast

The above surf forecast table for Rhosneigr provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Rhosneigr can be found by selecting the local surf guide option on the grey menu. Our Rhosneigr 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 (Rhosneigr) 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 Rhosneigr 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 Anglesy? If you are looking for accommodation near Rhosneigr, camping, hotels and holiday cottages in Anglesy, consider staying in Anglesey which is 2 km (1 miles) away. Other places in and around Anglesy where you can find information about places to rent, and car hire include Holyhead which is 12 km (7 miles) away, Bangor, Porthmadog and Llandudno.