Surf Forecasts:
Rhosneigr surf forecast from 2 Aug 2026:
- Most powerful swell: Tuesday 4 Aug, 10PM (local time) - 6ft (1.8m), 6s period, SSW swell with 254 kJ wave energy.
Best Forecast Surf Conditions for Rhosneigr this week:
The most powerful waves expected at Rhosneigr in the next 16 days are 1.8m 6s and forecast to arrive on Tuesday (Aug 04) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (Aug 06) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Tue 4th Aug) | 6ft (1.8m) 6s |
Table - best surf conditions forecast for Rhosneigr over the next 16 days.
The Lowdown
Alright, mates, Rusty here. Let’s have a look at what’s on the cards for our little slice of the coast.
To be brutally honest, the next couple of weeks are looking pretty flat for Rhosneigr. We’ve got a long stretch ahead with hardly any swell to speak of. The wind is mostly cross-onshore or onshore, and the wave energy is weak. The only real pulse of surf comes right at the very end of the forecast period, from Sunday 16 August up into Monday 17 August. Up until then, there’s a big gap of very poor conditions, so don’t expect much.
The water is sitting at 62°F, which is a touch warmer than normal for this time of year, so you won’t need a thick wetsuit, but it’s not tropical either.
For the standout, you’ve got to look at Sunday 16 August. The swell picks up to 5 ft from the SW, with combined energy hitting 155 (moderate). The period is only 6 seconds, so it’s a bit of a short-period windswell, but on Sunday afternoon the wind goes light and onshore, making it clean enough. It’s not going to be a classic, but it’s the best we’ve got. Monday 17 August morning actually sees a cross-offshore NNW breeze at 15 km/h, which will tidy things up nicely, but the swell drops back to 2 ft, so it’s small. Still, that’s clean and rideable for a beginner-friendly spot like Rhosneigr.
Overall, don’t get your hopes up for the first two weeks. It’s a quiet period, but the last couple of days might just offer a little window for a paddle.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Warm (max 22°C on Mon morning, min 14°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the SSW by Tue afternoon). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Wed morning. Very mild (max 18°C on Fri afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the W on Wed night, light winds from the S by Thu night). | ||||||||||||||||||||
Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 4 | SW 9 | W 10 | SW 9 | SW 8 | SW 8 | S 4 | SSW 5 | SSW 6 | SW 7 | SW 7 | NW 6 | SW 6 | WSW 4 | SW 4 | SSW 4 | SSW 4 | SW 5 | SW 6 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 3 | 3 | 3 | 11 | 10 | 30 | 90 | 253 | 113 | 164 | 138 | 9 | 10 | 6 | 3 | 15 | 36 | 38 | 16 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | cross-on | cross-on | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross | cross-on | on | cross-on |
High Tide | 12:20PM3.64m | 00:32AM4.05m | 12:54PM3.59m | 1:07AM3.94m | 1:32PM3.51m | 1:48AM3.77m | 2:18PM3.37m | 2:39AM3.55m | 3:15PM3.22m | 3:44AM3.33m | 4:28PM3.12m | 5:06AM3.20m | 5:53PM3.16m | ||||||||
Low Tide | 7:04PM0.48m | 7:33AM0.34m | 7:41PM0.62m | 8:12AM0.50m | 8:22PM0.79m | 8:55AM0.70m | 9:10PM0.99m | 9:47AM0.92m | 10:11PM1.16m | 10:55AM1.10m | 11:32PM1.22m | 12:19PM1.13m | 1:01AM1.07m | ||||||||
 | |  | | |  | |  | |  | | |  | | | | | | | | | |
 | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — |
 | — | — | 9:12 | — | — | 9:09 | — | — | 9:07 | — | — | 9:06 | — | — | 9:04 | — | — | 9:01 | — | — | 9:00 |
mm | — | — | — | — | — | 4 | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 22 | 19 | 17 | 19 | 19 | 17 | 16 | 16 | 15 | 14 | 15 | 16 | 17 | 18 | 16 | 16 | 17 | 16 |
Feels °C | 15 | 15 | 13 | 20 | 16 | 15 | 16 | 14 | 13 | 15 | 12 | 9 | 9 | 12 | 13 | 15 | 15 | 14 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 8 | NNE 4 | SW 8 | SW 8 | SW 8 | — | — | — | S 13 | SW 7 | SW 6 | NNW 6 | NNW 5 | — | S 12 | SW 5 | SW 6 | SW 6 | SW 6 |
| kJ | — | — | 3 | 3 | 11 | 10 | 9 | — | — | — | 3 | 52 | 9 | 35 | 5 | — | 3 | 36 | 38 | 16 | 8 |
Swell 2 Height (m) Direction Period (s) | W 8 | SW 9 | SW 9 | SW 9 | S 4 | — | NE 4 | — | — | — | — | S 13 | S 13 | S 12 | SW 6 | — | — | SW 12 | SW 11 | S 11 | — |
| kJ | 1 | 3 | 3 | 3 | 1 | — | 1 | — | — | — | — | 3 | 3 | 3 | 1 | — | — | 5 | 5 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 10 | — | NE 4 | — | — | — | — | — | — | — | — | W 12 | SW 12 | S 5 | — | — | — | — | — |
| kJ | — | — | 2 | — | 1 | — | — | — | — | — | — | — | — | 3 | 6 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | — | NNE 3 | SSE 3 | — | — | S 4 | SSW 5 | SSW 6 | SW 7 | SW 7 | NW 6 | NW 6 | WSW 4 | SW 4 | SSW 4 | SSW 4 | — | WNW 4 | NW 3 | WNW 3 |
| kJ | 3 | — | 7 | 2 | — | — | 30 | 90 | 253 | 113 | 164 | 138 | 156 | 10 | 6 | 3 | 15 | — | 8 | 3 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 253 | 253 | 159 | 181 | 187 | 183 | 271 | 277 | 277 | 94 | 46 | 175 | 299 | 271 | 271 | 253 | 253 | 152 | 187 | 256 | 187 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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