Rhosneigr surfForecast / Wales – Anglesy / UK

information circle16 Day Weather and Surf, issued 12 pm Sunday 17 May 2026 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
11.1° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Rhosneigr this week:

The most powerful waves expected at Rhosneigr in the next 16 days are 2.5m 8s and forecast to arrive on Tuesday (May 19) at 10PM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful10PM (Tue 19th May)8ft (2.5m) 8s

Table - best surf conditions forecast for Rhosneigr over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 18mm), heaviest on Mon night. Very mild (max 12°C on Tue morning, min 9°C on Sun morning). Winds increasing (light winds from the SSW on Sun night, strong winds from the SSW by Tue afternoon).

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Wed morning. Very mild (max 19°C on Thu night, min 12°C on Wed morning). Winds decreasing (strong winds from the SSW on Wed afternoon, calm by Fri night).

Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
W
4
1.1
SW
4
1
SW
5
0.6
SW
6
0.5
SW
6
0.9
SSW
5
1.6
SSW
7
2.5
SSW
7
2.3
SW
8
1.9
SW
8
2.5
SSW
7
1.9
SSW
6
1.7
SSW
6
1.5
SSW
6
0.9
SSW
7
1.1
SSW
5
0.8
SSW
6
0.6
SSW
6
0.4
SW
6
0.4
SW
6
0.2
SSW
7
Wave Graph
Metric surfscale
Energy kJ
33
45
56
30
18
38
223
603
616
456
586
266
218
149
70
62
49
26
10
10
7
Wind (km/h)
20
WSW
30
SW
15
WSW
10
SW
15
SSW
20
SE
30
S
45
SSW
35
SW
35
SW
40
SSW
35
S
30
S
25
S
15
SE
25
SSW
20
SSW
10
S
5
NNW
10
NNE
15
NE
cross-on
on
cross-on
on
on
cross
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
glassy
off
off
High Tide
10:02AM4.30m
10:24PM4.29m
10:49AM4.27m
11:09PM4.30m
11:39AM4.11m
11:57PM4.21m
12:31PM3.85m
00:50AM4.04m
1:31PM3.54m
1:49AM3.84m
2:41PM3.27m
2:59AM3.64m
4:04PM3.10m
Low Tide
5:00PM-0.03m
5:24AM-0.11m
5:47PM0.04m
6:14AM-0.11m
6:36PM0.21m
7:05AM-0.01m
7:26PM0.43m
8:01AM0.17m
8:20PM0.68m
9:00AM0.39m
9:18PM0.91m
10:05AM0.59m
10:24PM1.08m
rain showers
rain showers
rain showers
part cloud
cloud
mod rain
light rain
part cloud
rain showers
light rain
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:15
5:13
5:11
5:09
5:09
5:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:13
9:14
9:15
9:17
9:19
9:21
9:22
1
1
3
8
1
4
1
2
Temp °C
10
10
9
10
11
11
12
12
12
12
12
13
15
15
19
15
15
15
18
18
21
4
4
4
7
7
6
7
3
4
6
4
8
10
11
16
10
12
12
17
17
20
Swell 1
Height (m)
Direction
Period (s)
0.2
NNW
4
0.6
SW
6
0.6
SW
5
0.1
SW
15
0.1
S
15
0.9
SSW
7
0.3
SW
10
0.3
SW
11
0.6
SSW
6
0.4
SW
6
0.4
SW
6
0.2
SSW
7
Energy kJ
2
29
18
9
4
70
15
20
26
10
10
5
Swell 2
Height (m)
Direction
Period (s)
0.1
W
12
0.2
WNW
3
0.1
SW
15
0.1
SW
13
0.2
WSW
8
0.2
WSW
10
0.1
SW
10
0.1
SW
9
0.1
SW
9
Energy kJ
3
1
8
7
6
10
4
3
3
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
15
0.1
SW
14
0.1
SW
13
0.1
SW
13
0.1
SW
14
Energy kJ
9
8
7
7
7
Wind waves
Height (m)
Direction
Period (s)
0.9
W
4
1.1
SW
4
1
SW
5
0.6
SW
6
0.5
SW
6
0.9
SSW
5
1.6
SSW
7
2.5
SSW
7
2.3
SW
8
1.9
SW
8
2.5
SSW
7
1.9
SSW
6
1.7
SSW
6
1.5
SSW
6
0.4
SE
3
1.1
SSW
5
0.8
SSW
6
Energy kJ
33
45
56
30
18
38
223
603
616
456
586
266
218
149
2
62
49
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
2
2
1
1
3
1
1
1
1
1
Distance (km)
277
242
242
46
257
283
257
299
253
259
259
250
200
107
51
183
46
120
46
46
159
Best forecast wave conditions in Anglesy
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
4
4
3
2
2
1
1
3
2
4
4
3
3
2
3
3
3
2
2
1
Header Global
Rating
(10 max)
6
4
5
4
4
4
4
4
4
5
4
5
5
4
4
5
6
4
5
4
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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 16 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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