Rhosneigr Surf Break

Lat Long: 53.24° N 4.53° W

Rhosneigr Surf Forecast and Surf Report

Issued: 12 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rhosneigr sea temperature is
17.3°C
1.8° 

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


Rhosneigr surf forecast from 4 Sep 2026:

  • Most powerful swell: Thursday 10 Sep, 7AM (local time) - 6ft (1.9m), 6s period, SSW swell with 295 kJ wave energy.

Best Forecast Surf Conditions for Rhosneigr this week:

The most powerful waves expected at Rhosneigr in the next 16 days are 1.9m 6s and forecast to arrive on Thursday (Sep 10) at 7AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 5s period and expected on Wednesday (Sep 09) at 7PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 7AM (Thu 10th Sep)6ft (1.9m) 6s

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


The Lowdown

Right, let’s have a look at the Rhosneigr forecast, shall we? I’ll be straight with you – the next couple of weeks are going to test your patience if you’re a surfer. We’ve got a lot of lumps, bumps, and onshore slop to wade through before we see anything worth getting excited about.

The water here is sitting at 63°, which is a touch warmer than usual for this time of year, so at least you won’t be freezing while you’re getting skunked. The first week and a half is a write-off, to be honest. There are waves, but they’re not worth your time. We have a long stretch of cross-onshore and lumpy conditions, with very short-period, weak swell. This is a classic case of the ocean being all churned up and messy. The energy is weak to moderate at best, with values hanging around the 100 to 200 mark (184, 127, 162), which is just not enough to get Rhosneigr to set up properly given the wind.

Friday the 4th starts things off poorly with 22 mph cross-on winds and a lumpy 6ft of short-period slop. That’s no good for anyone. Over the weekend and into next week, it’s a similar story. There are periods where the wind goes onshore, but the swell is still weak and short-period, so it just walls up or closes out. It’s a lot of paddling for zero payoff.

The real low point comes next Saturday the 12th and Sunday the 13th, where the wave heights drop to a measly 0.3ft to 0.7ft. It’s flat, plain and simple. That’s the middle of a seven-day-plus dry spell where there is just nothing on the cards.

Now, I’m not one to wallow in misery, but you need to know the score. This blank run is pretty typical for the area when the wind and swell aren’t playing ball. It tends not to stay poor for long, but this is a long stretch of quiet. We do have a light at the end of the tunnel, but it’s a long way off.

The one date that’s got a bit of a sparkle to it is Wednesday the 16th, in the afternoon. The wind is finally forecast to swing offshore from the north. The swell is still not perfect, but we see a 6ft from the WSW with a period of 6 seconds. The energy jumps to 306, which is moderate, and the ocean should be clean. It’s not a classic, but after all that crud, clean waves are a major positive. This is one for the experts, as it’s pushing the “too big for beginners” mark. The tide might complicate things, but it’s the best we have on offer.

The day after, Thursday the 17th, also looks clean with that cross-off wind, but the swell is smaller and weaker. It’s a decent follow-up if you miss Wednesday. Looking into the second week, that’s about as good as it gets. The last day of the forecast, Saturday the 19th, has glassy conditions with a tiny 2ft, but it’s too small to be any real fun.

So, my honest advice? The surf is looking pretty grim for a good long while. Don’t bother getting your hopes up until Wednesday the 16th. That’s your one true standout, and a promising, but not certain, shot at something rideable at Rhosneigr.

Rusty.

Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Very mild (max 19°C on Sun afternoon, min 13°C on Fri night). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 6mm), mostly falling on Wed night. Very mild (max 16°C on Mon afternoon, min 13°C on Mon night). Winds decreasing (strong winds from the SSW on Mon afternoon, light winds from the SW by Wed night).

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
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)
1.8
WSW
5
1.4
WSW
6
1.5
W
5
1
W
5
0.6
SW
6
1.1
SSW
4
1.4
SSW
6
1.6
SSW
6
1.3
SW
6
0.3
SW
14
1.7
SW
5
1.9
WSW
6
1.8
WSW
6
1.6
WSW
6
1.6
WNW
6
1.4
WNW
5
1
W
5
1.3
SSW
5
1.5
SSW
6
1.1
SW
7
1.1
W
5
Wave Graph
Metric surfscale
Energy kJ
176
119
117
47
26
44
122
156
112
42
166
243
223
143
167
106
46
83
176
111
52
Wind (km/h)
35
WSW
30
WSW
30
W
20
WSW
20
SSW
30
S
30
S
35
SSW
25
WSW
20
WSW
30
SSW
35
WSW
40
WSW
35
W
30
WNW
25
W
25
SSW
40
SSW
25
SW
30
SW
35
W
Wind State
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
cross-on
High Tide
2:44PM3.26m
3:24AM3.18m
4:06PM3.08m
5:04AM3.02m
5:48PM3.13m
6:46AM3.12m
7:12PM3.41m
7:58AM3.37m
8:11PM3.77m
8:48AM3.63m
8:58PM4.11m
9:29AM3.86m
9:39PM4.37m
Low Tide
9:57PM1.11m
10:40AM1.25m
11:26PM1.19m
12:11PM1.26m
00:57AM0.99m
1:29PM1.03m
2:07AM0.62m
2:30PM0.70m
3:02AM0.22m
3:19PM0.38m
3:49AM-0.10m
4:02PM0.12m
part cloud
part cloud
clear
clear
part cloud
light rain
part cloud
cloud
part cloud
part cloud
cloud
rain showers
rain showers
clear
part cloud
cloud
cloud
rain showers
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:33
6:35
6:35
6:37
6:39
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:00
7:59
7:55
7:53
7:52
7:49
7:46
 mm
5
1
1
4
Temp °C
16
17
16
14
15
15
18
19
17
15
16
13
14
15
14
14
15
16
17
18
17
Feels °C
10
12
10
11
11
11
11
13
13
11
8
7
6
7
7
8
10
14
14
13
12
  • 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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