Surf Forecasts:
Rhos-On-Sea surf forecast from 23 Aug 2026:
- Most powerful swell: Tuesday 25 Aug, 10AM (local time) - 3ft (0.9m), 4s period, E swell with 27 kJ wave energy.
Best Forecast Surf Conditions for Rhos-On-Sea this week:
The most powerful waves expected at Rhos-On-Sea in the next 16 days are 0.9m 4s and forecast to arrive on Tuesday (Aug 25) at 10AM. 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 Saturday (Aug 29) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Tue 25th Aug) | 3ft (0.9m) 4s |
Table - best surf conditions forecast for Rhos-On-Sea over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at the Rhos-On-Sea outlook for the next 16 days. I’ll be straight with you – it’s a tough stretch for surfers. This is a point break that’s inconsistent at the best of times, and we’re looking at a real dry spell.
Right now, the water is sitting at a very unusual 66°, which is much warmer than normal for this time of year. But that’s about the only highlight.
We kick things off on Sunday the 23rd with barely a ripple – just 0.7ft of weak, short-period swell from the NNW, and a light cross-on breeze. The combined energy is a measly 1, so don’t bother paddling out. Monday the 24th is more of the same: tiny, wind-affected junk up to 2ft with a strong cross-shore wind. Tuesday the 25th brings a bit more height, around 3ft from the E, but it’s short-period (4 seconds), onshore, and choppy. The energy picks up to 27 but it’s still poor. From Wednesday morning the 26th, it’s tiny or flat right through until the end of the month.
There’s a classic gap from Wednesday the 26th afternoon all the way through to Saturday the 30th morning where the wave energy is zero. It’s just clean, empty water. We get a tiny 1ft blip on Sunday the 30th, but it’s glassy calm – you could paddle a kayak, but don’t bother bringing a board.
The best chance we get in the whole outlook is Monday the 31st of August. We finally see a 4ft swell from the NW, with a 5-second period and a combined energy of 53. It's clean with a fresh cross-offshore breeze. But at 4ft, it's small, and with that period it's not going to be holding much shape. Still, it’s the biggest and best looking wave in the whole two-week window. The rest of the first week of September is flat again, with just a tiny 0.3ft blip on Friday the 4th.
Honestly, if you’re a kite surfer, the persistent clean cross-off winds on the 31st might make you happy. For a paddler, this is a long, quiet run. The setup looks more interesting for kite surfing than paddle surfing during those clean, windy days around the 31st.
Keep your eyes on the forecasts, because with how inconsistent this spot is, a blank run like this isn't unusual. It tends not to stay poor for long, and things can change.
Rusty.
Short Range ForecastMostly dry. Warm (max 22°C on Mon afternoon, min 11°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 11mm), heaviest on Sat morning. Warm (max 21°C on Wed afternoon, min 13°C on Thu night). Winds increasing (calm on Wed afternoon, fresh winds from the W by Fri night). | |||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||
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) | NNW 4 | — | ESE 3 | E 3 | E 4 | E 4 | NE 4 | ENE 4 | ESE 3 | — | — | E 3 | — | — | SW 3 | W 3 | W 3 | WNW 5 | WNW 5 | WNW 5 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1 | 0 | 6 | 2 | 18 | 27 | 15 | 13 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | on | cross-on | cross-on | on | cross-on | cross | glassy | cross-on | glassy | cross | off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 8:45PM5.41m | 9:18AM5.40m | 9:41PM5.82m | 10:07AM5.77m | 10:24PM6.29m | 10:47AM6.17m | 11:01PM6.75m | 11:22AM6.54m | 11:35PM7.15m | 11:55AM6.86m | 00:07AM7.46m | 12:27PM7.11m | 00:39AM7.65m | |||||||
Low Tide | 3:12AM2.37m | 3:35PM2.27m | 4:08AM1.93m | 4:23PM1.83m | 4:51AM1.44m | 5:02PM1.39m | 5:29AM0.97m | 5:38PM1.00m | 6:04AM0.58m | 6:12PM0.69m | 6:37AM0.31m | 6:46PM0.51m | ||||||||
 |  | | |  |  |  | | |  |  | | | | |  | |  | | | |
 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:16 | — | — | 6:18 | — | — |
 | 8:25 | — | — | 8:23 | — | — | 8:21 | — | — | 8:19 | — | — | 8:16 | — | — | 8:15 | — | — | 8:12 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 2 | — | — | 1 | 3 | 2 | — | — |
Temp °C | 16 | 12 | 21 | 22 | 17 | 21 | 22 | 19 | 22 | 21 | 18 | 19 | 18 | 16 | 19 | 18 | 14 | 16 | 17 | 14 |
Feels °C | 14 | 11 | 17 | 18 | 12 | 17 | 20 | 15 | 22 | 23 | 18 | 19 | 18 | 16 | 15 | 15 | 10 | 10 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | NNW 4 | — | — | — | — | — | — | NNE 4 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ESE 3 | E 3 | E 4 | E 4 | NE 4 | ENE 4 | ESE 3 | — | — | E 3 | — | — | SW 3 | W 3 | W 3 | WNW 5 | WNW 5 | WNW 5 |
| kJ | — | — | 6 | 2 | 18 | 27 | 15 | 13 | 1 | — | — | 1 | — | — | 2 | 8 | 3 | 126 | 102 | 46 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 304 | 188 | 268 | 278 | 268 | 271 | 268 | 195 | 195 | 242 | 226 | 193 | 75 | 75 | 245 | 296 | 198 | 379 | 367 | 77 |
Best forecast wave conditions in North Wales | ||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Rhos-On-Sea Surf forecast
The above surf forecast table for Rhos-On-Sea provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rhos-On-Sea can be found by selecting the local surf guide option on the grey menu. Our Rhos-On-Sea 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 (Rhos-On-Sea) 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 Rhos-On-Sea 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.
Rhos-On-Sea is 2 km (1 miles) from Colwyn Bay. If you plan a holiday in North Wales, look for hotels and other accommodation in Colwyn Bay. Colwyn Bay has rooms for a wide range of budgets as well as car hire and transport links.
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