Rhosneigr Surf Break

Lat Long: 53.24° N 4.53° W

Rhosneigr Surf Forecast and Surf Report

Issued: 6 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rhosneigr sea temperature is
18.1° C
2.4° 

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


Rhosneigr surf forecast from 17 Aug 2026:

  • Most powerful swell: Wednesday 19 Aug, 7PM (local time) - 4.5ft (1.3m), 6s period, SW swell with 132 kJ wave energy.

Best Forecast Surf Conditions for Rhosneigr this week:

The most powerful waves expected at Rhosneigr in the next 16 days are 1.3m 6s and forecast to arrive on Wednesday (Aug 19) at 7PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Aug 20) at 1PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 7PM (Wed 19th Aug)4.5ft (1.3m) 6s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s cooking for Rhosneigr over the next couple of weeks.

Straight up, I’ve got to be honest with you – this is a tough run. The whole 16-day window is a bit of a write-off for decent waves. The first recommendation doesn’t even pop up because the surf is just too poor to get stoked about. We’re looking at a long gap of flat, weak, or messy conditions right through until the end of the month. You’d be better off checking the tide pools or going for a long walk.

The first hint of anything with a bit of kick shows up on the morning of Wednesday, 28 August. Even then, it’s nothing to write home about. The swell bumps up to 4 ft from the SW with a period of 8 seconds, and the combined energy is moderate (211). The wind’s coming from the S at 6 mph, which is a light cross-onshore – not ideal, but it’s the best we’ll see for a while. It’s still flagged as poor surf though, so keep your expectations low.

The only other pulse that might get your attention is on Sunday, 30 August. The swell jumps to 7 ft from the SSW, but the period is a short 6 seconds and the wind is a moderate cross-onshore from the W at 12 mph. The energy is strong (266), but that short period and choppy wind mean it’s going to be lumpy and messy. This is pushing into expert-only territory size-wise, but the quality just isn’t there for a good paddle session. For a beach break, that combo of strong wind and short-period swell might actually be more interesting for the kite surfers than us.

Honestly, for the whole 16 days, there’s nothing that stands out as a true winner. The water temp is running at 65°F, which is much warmer than normal for this time of year – a good 4°F above average – so at least you won’t be freezing your toes off if you do decide to go for a splash, but the waves are just not cooperating.

Stay patient, mates. The surf will turn around eventually.

Rusty

Short Range Forecast

Light rain (total 9mm), mostly falling on Mon night. Very mild (max 18°C on Tue afternoon, min 14°C on Tue night). Mainly fresh winds.

Days 4-6 Weather Summary

Some drizzle, heaviest during Thu morning. Very mild (max 16°C on Thu morning, min 12°C on Thu night). Wind will be generally light.

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
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)
0.4
SW
5
0.3
SW
5
1
SW
5
1
W
4
0.6
SW
6
0.9
WSW
4
1.3
WSW
5
1.3
SW
5
1
SW
6
0.5
SW
6
0.3
SW
6
0.1
SW
14
0.1
SW
14
0.1
SW
13
0.1
SW
13
0.1
SW
15
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.4
WNW
4
0.1
SW
14
Wave Graph
Metric surfscale
Energy kJ
5
4
44
40
21
24
87
103
71
20
8
8
7
7
7
8
8
8
8
7
8
Wind (km/h)
10
WNW
10
WSW
20
WSW
20
W
20
SW
30
W
30
SW
25
SW
20
WNW
25
NNE
25
N
15
N
15
NW
15
N
15
N
20
N
20
NNW
10
N
10
WNW
15
NW
15
N
Wind State
cross-on
cross-on
on
cross-on
on
cross-on
on
on
cross
off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
High Tide
1:04PM3.73m
1:21AM3.95m
1:44PM3.51m
2:05AM3.58m
2:29PM3.25m
2:56AM3.21m
3:26PM3.00m
4:05AM2.90m
4:46PM2.83m
5:38AM2.76m
6:19PM2.84m
7:04AM2.82m
7:32PM3.02m
Low Tide
7:45PM0.46m
8:13AM0.53m
8:25PM0.77m
8:54AM0.92m
9:10PM1.10m
9:40AM1.27m
10:08PM1.38m
10:45AM1.54m
11:34PM1.55m
12:20PM1.61m
1:12AM1.48m
1:41PM1.46m
2:17AM1.25m
part cloud
part cloud
rain showers
cloud
part cloud
clear
part cloud
rain showers
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:01
6:03
6:05
6:07
6:09
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:42
8:39
8:37
8:36
8:32
8:30
8:29
 mm
3
3
3
1
Temp °C
16
16
17
16
18
17
16
16
16
16
16
14
14
16
14
15
15
14
14
16
15
Feels °C
16
16
15
13
15
14
11
13
13
11
11
11
10
13
11
10
11
12
12
14
14
  • 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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