Surf Forecasts:
Rhos-On-Sea surf forecast from 2 Sep 2026:
- Most powerful swell: Saturday 5 Sep, 4PM (local time) - 1.5ft (0.4m), 5s period, NNW swell with 9 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 0.4m 5s and forecast to arrive on Saturday (Sep 05) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Friday (Sep 04) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Sat 5th Sep) | 1.5ft (0.4m) 5s |
Table - best surf conditions forecast for Rhos-On-Sea over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s cooking for Rhos-On-Sea over the next couple of weeks.
Right off the bat, I gotta be straight with you – this is a tough one. The entire 16-day window is a total write-off for any proper surf. There’s a big, long gap stretching from the start all the way through, with nothing but flat, poor conditions. We’re talking about a solid week and a half with barely a ripple. The combined swell energy barely even registers, with a value of (0) for most of the period. It’s a classic blank run for this area, and honestly, that’s more normal here than we’d like to admit.
The only tiny flicker of life comes right at the tail end. On Saturday the 13th of September, we get a pathetic little pulse of swell. The morning sees a 1.0ft bump from the ENE with a 3-second period, and the afternoon goes glassy with a 1ft NE swell. The combined energy is laughable, just (1) and (2) respectively. It’s flat, it’s weak, but at least Sunday afternoon is glassy. There’s not a single standout session in the whole outlook. The forecast for the second week stays just as bleak, with a few 0.3ft to 0.7ft leftovers that aren't worth paddling for.
So, bottom line: there’s nothing to recommend. The surf is poor, the swell is non-existent, and the only decent wind we see (offshore on the 3rd and 7th) is met with zero swell. For a spot like Rhos-On-Sea, which is a point break that’s inconsistent at the best of times, this is a long, dry spell. Hang up the board for a bit, lads. Forecasts can always change, but for now, it’s a hard pass.
Rusty.
Short Range ForecastHeavy rain (total 22mm), heaviest during Thu night. Warm (max 21°C on Thu morning, min 14°C on Tue night). Winds increasing (light winds from the SSW on Tue night, fresh winds from the W by Fri morning). | Days 4-6 Weather SummarySome drizzle, heaviest during Sun night. Warm (max 21°C on Sun afternoon, min 11°C on Sat night). Winds decreasing (fresh winds from the W on Fri night, light winds from the S by Sat night). | ||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 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) | SW 4 | SW 4 | SW 4 | W 5 | WSW 5 | W 4 | W 5 | W 6 | WNW 6 | WNW 5 | NNW 5 | NW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 4 | WSW 4 | WNW 5 | W 5 | W 4 | W 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 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-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross |
High Tide | 2:50PM6.90m | 3:10AM6.94m | 3:36PM6.52m | 4:02AM6.44m | 4:33PM6.09m | 5:08AM5.95m | 5:48PM5.76m | 6:36AM5.66m | 7:19PM5.77m | 8:07AM5.78m | 8:40PM6.16m | 9:19AM6.19m | 9:41PM6.73m | ||||||||
Low Tide | 8:58AM0.71m | 9:14PM1.04m | 9:42AM1.15m | 10:03PM1.44m | 10:36AM1.63m | 11:07PM1.84m | 11:47AM2.04m | 00:31AM2.06m | 1:15PM2.17m | 2:04AM1.90m | 2:40PM1.92m | 3:21AM1.40m | 3:46PM1.46m | ||||||||
 |  |  | | |  | |  |  | | | | | |  |  | | | | | | |
 | 6:24 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — |
 | — | 8:02 | — | — | 8:00 | — | — | 7:58 | — | — | 7:55 | — | — | 7:52 | — | — | 7:51 | — | — | 7:49 | — |
mm | 5 | — | — | — | 1 | 16 | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — |
Temp °C | 15 | 19 | 18 | 21 | 20 | 16 | 16 | 17 | 15 | 15 | 16 | 12 | 19 | 21 | 16 | 16 | 17 | 16 | 17 | 17 | 13 |
Feels °C | 14 | 18 | 14 | 18 | 17 | 16 | 9 | 11 | 9 | 12 | 13 | 10 | 17 | 19 | 15 | 12 | 13 | 12 | 12 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 4 | — | — | — | — | W 4 | — | — | — | — | NNW 5 | WSW 3 | WSW 5 | WSW 5 | WSW 6 | — | — | — | — | — | — |
| kJ | 5 | — | — | — | — | 13 | — | — | — | — | 9 | 2 | 2 | 3 | 3 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NW 5 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 4 | W 5 | WSW 5 | — | W 5 | W 6 | WNW 6 | WNW 5 | W 4 | — | — | — | SW 3 | WSW 4 | WSW 4 | WNW 5 | W 5 | W 4 | W 4 |
| kJ | 7 | 9 | 22 | 43 | 33 | — | 120 | 163 | 179 | 72 | 10 | — | — | — | 3 | 11 | 35 | 109 | 61 | 25 | 28 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 273 | 283 | 279 | 238 | 497 | 215 | 194 | 536 | 194 | 195 | 238 | 186 | 238 | 195 | 231 | 75 | 324 | 334 | 75 | 260 | 186 |
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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