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Surf Forecasts:

Rhosneigr surfForecast / Wales – Anglesy / UK

information circle12 Day Weather and Surf, issued 12 am Saturday 30 Aug 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
17.4° C
 (Which is 1.8°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 Tuesday (Sep 02) at 1PM. The primary swell is predicted to be 0.8m and 7s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Rhosneigr in the next 12 days are 3.0m 8s and forecast to arrive on Sunday (Aug 31) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Wednesday (Sep 03) at 7PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 1PM (Tue 2nd Sep)2.5ft (0.8m) 7s
Best Surf 1PM (Tue 2nd Sep)2.5ft (0.8m) 7s
Most Powerful 7PM (Sun 31st Aug)10ft (3.0m) 8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 16mm), heaviest on Sat afternoon. Very mild (max 17°C on Sat morning, min 14°C on Fri night). Mainly strong winds.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Mon night. Very mild (max 16°C on Thu afternoon, min 13°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon night, calm by Tue morning).

Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Fri
05
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
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 (?)
0.7
SW
1
SSW
2.4
SSW
2.4
SW
2.5
SSW
3
SSW
3
SSW
1.9
SW
1.8
SW
1.6
SW
0.8
SSW
0.8
SSW
0.7
SW
0.6
SSW
0.6
SSW
1.1
SSW
0.8
SSW
1
SW
1.2
WSW
1.1
SW
1.7
SSW
Period(s) (?)747778866677888999576
Wave
Graph
(?)Metric surfscale
Energy (?)623350959873012679963292482166769927062190116158102144202
Wind
(km/h)
20
W
30
S
50
S
45
SSW
45
SSW
50
S
45
S
35
SW
35
SW
25
SW
10
SSW
10
WNW
10
WSW
10
SW
10
WNW
10
SSW
10
WSW
10
SW
10
SSE
15
S
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		onononcross-
on		crosscross-
on		oncross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on
High Tide
/ height (m)
1:55AM
3.34
2:15PM
3.10
2:41AM
3.01
3:10PM
2.85
3:53AM
2.74
4:45PM
2.70
5:46AM
2.66
6:33PM
2.79
7:13AM
2.79
7:39PM
3.04
8:06AM
3.02
8:22PM
3.35
8:44AM
3.29
Low Tide
/ height (m)
8:38AM
1.14
8:56PM
1.26
9:23AM
1.42
9:53PM
1.51
10:32AM
1.63
11:24PM
1.65
12:12PM
1.64
1:06AM
1.52
1:34PM
1.43
2:10AM
1.22
2:26PM
1.11
2:55AM
0.84
3:07PM
0.78
Saturday
30
Sunday
31
Monday
01
Tuesday
02
Wednesday
03
Thursday
04
Fri
05
Sunrise-6:22--6:24--6:26--6:28--6:30--6:31--6:33-
Sunset--8:13--8:10--8:07--8:06--8:04--8:00--7:59
part cloud
cloud
light rain
clear
clear
rain showers
rain showers
rain showers
thunderstorm
rain showers
rain showers
clear
clear
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
--5--171251----------
Temp. °C161717151616151616151515151515141516151617
Feels °C (?)1311977771010101513131413121314131314
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Anglesy

  1. weather stationWind Update The wind is still cross-on at Rhosneigr (light winds from the WSW at Valley RAF Airport 2 km from Rhosneigr). 0.7m 4s local chop from the WNW with a 0.5m 8s swell from the SW and a 0.4m 4s local chop from the WNW. 3 swells combining to make bigger set waves.

    2 hours 4 minutes ago Rhosneigr
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2 h 4 min ago

17 km/h
WSW
Cross-On
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

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.

View detailed surf forecast for Rhosneigr at:
surf-forecast.com

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.

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