Surf Forecasts:
Rhos-On-Sea surf forecast from 1 Aug 2026:
- Most powerful swell: Monday 3 Aug, 10PM (local time) - 2.5ft (0.8m), 4s period, NE swell with 29 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 0.8m 4s and forecast to arrive on Monday (Aug 03) at 10PM. Winds are predicted to be glassy 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 06) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Mon 3rd Aug) | 2.5ft (0.8m) 4s |
Table - best surf conditions forecast for Rhos-On-Sea over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s run through the numbers for Rhos-On-Sea over the next couple of weeks.
Truth is, it’s a bleak picture. The whole 16-day window is a bust, with a massive gap of nothing at the start. The water temp is 65°F to start, which is a whopping 6°F warmer than usual – a very unusual warm patch, but it doesn’t help the waves.
Rhos-On-Sea is a point break that’s inconsistent and needs a swell from the NW to wake up. That swell never really shows. For the first week, the swell energy is a flat zero or in the single digits – weak as can be. The biggest waves are only 2ft on the Monday and Wednesday, with a short period of 4 seconds. Just windswash.
The second week isn't much better. A tiny 2ft NW swell rolls in on Monday morning, 10th of August, with a clean cross-off wind and a combined energy of only 17. It’s small and weak. The only other maybe is a glassy morning on the 13th of August with a 2ft NNW swell and a 4-second period, but the energy is just 9.
The best of a bad bunch is the morning of Monday, 10th of August. The swell direction is NW, which is what this spot needs, and we have a clean cross-off breeze. But the waves will be tiny, around 2ft, with a weak 5-second period. It’s a longboard-only kind of dawn patrol. The rest of the time, the surf is poor. There are no good options, folks. If it were a beach break in this kind of wind and swell, you’d be looking at kite surfing, but this is a point.
Rusty.
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 24°C on Mon morning, min 11°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Tue afternoon. Warm (max 23°C on Tue afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | |||||||||||||||
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) | W 4 | WNW 4 | WSW 3 | — | NE 2 | NNE 3 | E 4 | NE 3 | NE 4 | N 4 | ENE 2 | SW 3 | WSW 4 | W 4 | WSW 3 | NW 5 | WNW 5 | NNW 4 | NNW 4 | — | — |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 1 | 4 | 6 | 9 | 19 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 2 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-on | cross-on | cross | cross | cross | cross-on | glassy | glassy | cross-off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross | off |
High Tide | 1:27PM6.82m | 1:40AM7.37m | 2:02PM6.82m | 2:15AM7.29m | 2:38PM6.74m | 2:53AM7.10m | 3:18PM6.57m | 3:35AM6.81m | 4:04PM6.33m | 4:25AM6.46m | 5:00PM6.06m | 5:28AM6.11m | 6:10PM5.85m | ||||||||
Low Tide | 7:47PM0.79m | 8:14AM0.54m | 8:22PM0.87m | 8:50AM0.65m | 8:59PM1.04m | 9:27AM0.86m | 9:40PM1.28m | 10:10AM1.15m | 10:27PM1.57m | 11:01AM1.48m | 11:26PM1.85m | 12:05PM1.78m | 00:40AM2.01m | ||||||||
 | |  |  |  |  | | |  | |  |  | | | | | | | | | | |
 | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — | 5:39 | — | — |
 | — | — | 9:10 | — | — | 9:08 | — | — | 9:07 | — | — | 9:05 | — | — | 9:02 | — | — | 9:01 | — | — | 9:00 |
mm | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | 2 | 1 | — | — | — | — | — |
Temp °C | 17 | 17 | 13 | 20 | 19 | 15 | 24 | 21 | 20 | 22 | 23 | 18 | 22 | 22 | 16 | 16 | 18 | 14 | 18 | 18 | 14 |
Feels °C | 13 | 13 | 11 | 18 | 16 | 14 | 22 | 20 | 20 | 22 | 23 | 18 | 19 | 20 | 15 | 11 | 14 | 12 | 15 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | N 3 | — | — | — | ENE 3 | — | — | — | W 4 | — | — | — | NNW 4 | NNW 4 | — | — |
| kJ | — | — | — | — | — | 2 | — | — | — | 1 | — | — | — | 2 | — | — | — | 8 | 2 | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | N 4 | — | — | — | — | — | — | — | W 4 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 2 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | WNW 4 | WSW 3 | — | NE 2 | NNE 3 | E 4 | NE 3 | NE 4 | ESE 3 | ENE 2 | SW 3 | WSW 4 | — | WSW 3 | NW 5 | WNW 5 | — | — | — | — |
| kJ | 10 | 11 | 3 | — | 1 | 4 | 6 | 9 | 19 | 1 | 1 | 1 | 8 | — | 5 | 55 | 44 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 375 | 376 | 275 | 275 | 279 | 186 | 183 | 199 | 186 | 242 | 355 | 230 | 230 | 2404 | 194 | 240 | 377 | 200 | 244 | 283 | 275 |
Best forecast wave conditions in North Wales | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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